| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Mabiro | city | Hokkaido | Japan | 42.9833333 | 144.9 | 0 | 2349 |
| Magaribuchi | city | Hokkaido | Japan | 45.2513889 | 141.8522222 | 36 | 7670 |
| Magaribuchi | city | Hokkaido | Japan | 45.3058333 | 142.0527778 | 173 | 7632 |
| Magumbetsu | city | Hokkaido | Japan | 43.05 | 140.7166667 | 311 | 7964 |
| Makkari | city | Hokkaido | Japan | 42.7577778 | 140.8025 | 849 | 8001 |
| Makkaribetsu | city | Hokkaido | Japan | 42.7577778 | 140.8025 | 849 | 8001 |
| Makomanai-gorgo | city | Hokkaido | Japan | 42.9166667 | 141.3166667 | 984 | 7978 |
| Makomanai-gorgō | city | Hokkaido | Japan | 42.9166667 | 141.3166667 | 984 | 7978 |
| Makomanaigoryo | city | Hokkaido | Japan | 42.9166667 | 141.3166667 | 984 | 7978 |
| Makomanaigoryō | city | Hokkaido | Japan | 42.9166667 | 141.3166667 | 984 | 7978 |
| Makubetsu | city | Hokkaido | Japan | 45.3713889 | 141.8211111 | 39 | 7317 |
| Makumbetsu | city | Hokkaido | Japan | 43.05 | 140.7166667 | 311 | 7964 |
| Makumbetsu | city | Hokkaido | Japan | 43.8333333 | 142.7833333 | 1259 | 7866 |
| Manji | city | Hokkaido | Japan | 43.15 | 141.9833333 | 757 | 7953 |
| Marusep | city | Hokkaido | Japan | 44.027778 | 143.3372222 | 977 | 7838 |
| Maruseppu | city | Hokkaido | Japan | 44.027778 | 143.3372222 | 977 | 7838 |
| Maruseppu-shigai | city | Hokkaido | Japan | 44.027778 | 143.3372222 | 977 | 7838 |
| Marusepu | city | Hokkaido | Japan | 44.027778 | 143.3372222 | 977 | 7838 |
| Maruyama | city | Hokkaido | Japan | 42.7541667 | 141.44 | 741 | 8001 |
| Maruyama | city | Hokkaido | Japan | 43.4666667 | 142.2666667 | 403 | 7908 |
| Maruyama-yufuri | city | Hokkaido | Japan | 42.7541667 | 141.44 | 741 | 8001 |
| Maruyama-yūfuri | city | Hokkaido | Japan | 42.7541667 | 141.44 | 741 | 8001 |
| Masari | city | Hokkaido | Japan | 43.1666667 | 141.0666667 | 984 | 3333 |
| Mashige | city | Hokkaido | Japan | 43.8519444 | 141.5213889 | 121 | 3824 |
| Mashike | city | Hokkaido | Japan | 43.8519444 | 141.5213889 | 121 | 3824 |
| Masike | city | Hokkaido | Japan | 43.8519444 | 141.5213889 | 121 | 3824 |
| Masukawa | city | Hokkaido | Japan | 41.8166667 | 140.85 | 518 | 7792 |
| Masukawa | city | Hokkaido | Japan | 41.8166667 | 140.85 | 518 | 7792 |
| Masuura | city | Hokkaido | Japan | 43.9833333 | 144.3 | 16 | 4408 |
| Mataochi | city | Hokkaido | Japan | 43.5666667 | 144.8833333 | 295 | 7900 |
| Matawakka | city | Hokkaido | Japan | 45.1833333 | 141.15 | 275 | 3422 |
| Matsumae | city | Hokkaido | Japan | 41.4238889 | 140.105 | 3 | 5212 |
| Matsuneshiri | city | Hokkaido | Japan | 44.9333333 | 142.2166667 | 154 | 7715 |
| Matsunoki | city | Hokkaido | Japan | 41.75 | 140.1833333 | 426 | 8135 |
| Matsunori | city | Hokkaido | Japan | 43.9833333 | 145.1666667 | 0 | 2407 |
| Mazaribuchi | city | Hokkaido | Japan | 45.2513889 | 141.8522222 | 36 | 7670 |
| Meguro | city | Hokkaido | Japan | 42.1333333 | 143.3166667 | 3 | 5421 |
| Meiji | city | Hokkaido | Japan | 44.0666667 | 144.25 | 3 | 3078 |
| Memambetsu | city | Hokkaido | Japan | 43.9072222 | 144.1738889 | 65 | 7852 |
| Memu | city | Hokkaido | Japan | 42.4833333 | 143.3333333 | 141 | 8040 |
| Memuro | city | Hokkaido | Japan | 42.9066667 | 143.0505556 | 278 | 7987 |
| Memurobuto | city | Hokkaido | Japan | 42.9333333 | 143.05 | 190 | 7978 |
| Memuroputo | city | Hokkaido | Japan | 42.9333333 | 143.05 | 190 | 7978 |
| Memuroshigai | city | Hokkaido | Japan | 42.9066667 | 143.0505556 | 278 | 7987 |
| Mena | city | Hokkaido | Japan | 42.8091667 | 140.4430556 | 49 | 7995 |
| Menagawa | city | Hokkaido | Japan | 41.7569444 | 141.0852778 | 3 | 4721 |
| Menashidomari | city | Hokkaido | Japan | 45.0333333 | 142.5166667 | 39 | 4266 |
| Menashitomari | city | Hokkaido | Japan | 45.0333333 | 142.5166667 | 39 | 4266 |
| Menuushiro | city | Hokkaido | Japan | 45.1080556 | 141.2730556 | 0 | 3230 |
| Menuushoro | city | Hokkaido | Japan | 45.1080556 | 141.2730556 | 0 | 3230 |
| Meto | city | Hokkaido | Japan | 43.3833333 | 143.3333333 | 1640 | 7921 |
| Meto | city | Hokkaido | Japan | 43.2713889 | 143.4238889 | 725 | 7936 |
| Metoonsen | city | Hokkaido | Japan | 43.3833333 | 143.3333333 | 1640 | 7921 |
| Metō | city | Hokkaido | Japan | 43.3833333 | 143.3333333 | 1640 | 7921 |
| Metō | city | Hokkaido | Japan | 43.2713889 | 143.4238889 | 725 | 7936 |
| Metōonsen | city | Hokkaido | Japan | 43.3833333 | 143.3333333 | 1640 | 7921 |
| Michibetsu | city | Hokkaido | Japan | 42.8666667 | 143.2333333 | 328 | 7991 |
| Midori | city | Hokkaido | Japan | 43.8166667 | 144.0833333 | 108 | 7866 |
| Miginosawa | city | Hokkaido | Japan | 44.0666667 | 143.6166667 | 321 | 7833 |
| Mikage | city | Hokkaido | Japan | 42.9388889 | 142.9369444 | 511 | 7978 |
| Mikage-shigai | city | Hokkaido | Japan | 42.9388889 | 142.9369444 | 511 | 7978 |
| Mikawa | city | Hokkaido | Japan | 42.3833333 | 142.7166667 | 1030 | 8048 |
| Mikawa | city | Hokkaido | Japan | 42.7166667 | 143.2666667 | 393 | 8006 |
| Mikebetsu | city | Hokkaido | Japan | 44.1833333 | 141.7833333 | 288 | 7819 |
| Minaguchi | city | Hokkaido | Japan | 45.0333333 | 141.6666667 | 9 | 4943 |
| Minakami | city | Hokkaido | Japan | 43.7833333 | 144.5 | 328 | 7872 |
| Minakuchi | city | Hokkaido | Japan | 45.0333333 | 141.6666667 | 9 | 4943 |
| Minami-juichijo | city | Hokkaido | Japan | 43.0333333 | 141.35 | 141 | 7970 |
| Minami-jūichijō | city | Hokkaido | Japan | 43.0333333 | 141.35 | 141 | 7970 |
| Minami-mokoto | city | Hokkaido | Japan | 43.9 | 144.2333333 | 288 | 7852 |
| Minami-omu | city | Hokkaido | Japan | 44.5333333 | 142.9833333 | 226 | 6957 |
| Minami-sarakeshi | city | Hokkaido | Japan | 44.8166667 | 141.7833333 | 49 | 4593 |
| Minami-sarakishi | city | Hokkaido | Japan | 44.8166667 | 141.7833333 | 49 | 4593 |
| Minami-satsunai | city | Hokkaido | Japan | 42.6 | 143.05 | 1312 | 8023 |
| Minami-shikuzushicho | city | Hokkaido | Japan | 43.2333333 | 141.0166667 | 0 | 2426 |
| Minami-shikuzushichō | city | Hokkaido | Japan | 43.2333333 | 141.0166667 | 0 | 2426 |
| Minami-shukutsu | city | Hokkaido | Japan | 43.2333333 | 141.0166667 | 0 | 2426 |
| Minami-shukutsumachi | city | Hokkaido | Japan | 43.2333333 | 141.0166667 | 0 | 2426 |
| Minami-teshikaga | city | Hokkaido | Japan | 43.4166667 | 144.5333333 | 400 | 7917 |
| Minami-tomamu | city | Hokkaido | Japan | 43.4666667 | 143.6 | 1482 | 7908 |
| Minami-ōmu | city | Hokkaido | Japan | 44.5333333 | 142.9833333 | 226 | 6957 |
| Minamihama | city | Hokkaido | Japan | 45.1080556 | 141.2730556 | 0 | 3230 |
| Minatocho | city | Hokkaido | Japan | 42.9833333 | 144.3833333 | 36 | 4927 |
| Minatochō | city | Hokkaido | Japan | 42.9833333 | 144.3833333 | 36 | 4927 |
| Minatomachi | city | Hokkaido | Japan | 43.2038889 | 140.7702778 | 65 | 5887 |
| Minatomachi | city | Hokkaido | Japan | 42.9833333 | 144.3833333 | 36 | 4927 |
| Minenobu | city | Hokkaido | Japan | 43.2666667 | 141.8166667 | 131 | 7936 |
| Mineoka | city | Hokkaido | Japan | 45.45 | 142.072222 | 0 | 1905 |
| Minouta | city | Hokkaido | Japan | 42.2086111 | 139.4502778 | 1003 | 1886 |
| Miruka-genya | city | Hokkaido | Japan | 43.55 | 144.4333333 | 547 | 7900 |
| Miruta-genya | city | Hokkaido | Japan | 43.55 | 144.4333333 | 547 | 7900 |
| Misaki | city | Hokkaido | Japan | 42.3166667 | 141 | 249 | 2966 |
| Misaki | city | Hokkaido | Japan | 44.0930556 | 144.2361111 | 652 | 2996 |
| Misakicho | city | Hokkaido | Japan | 42.3166667 | 141 | 249 | 2966 |
| Misakichō | city | Hokkaido | Japan | 42.3166667 | 141 | 249 | 2966 |
| Misakimachi | city | Hokkaido | Japan | 42.3166667 | 141 | 249 | 2966 |
| Misawa | city | Hokkaido | Japan | 42.75 | 141.7166667 | 65 | 8006 |
| Misono | city | Hokkaido | Japan | 42.4 | 142.4833333 | 187 | 8048 |
| Mitsui | city | Hokkaido | Japan | 43.85 | 144.6833333 | 196 | 7861 |
| Mitsuishi | city | Hokkaido | Japan | 42.25 | 142.55 | 3 | 2985 |
| Mitsuiwa | city | Hokkaido | Japan | 42.8166667 | 142.4166667 | 764 | 7995 |
| Mitsumata | city | Hokkaido | Japan | 44.2763889 | 142.1594444 | 856 | 7805 |
| Mitsumata | city | Hokkaido | Japan | 43.505 | 143.1530556 | 2181 | 7904 |
| Mitsumati | city | Hokkaido | Japan | 43.505 | 143.1530556 | 2181 | 7904 |
| Miyagi | city | Hokkaido | Japan | 43.9666667 | 143.3333333 | 984 | 7844 |
| Miyagi | city | Hokkaido | Japan | 43.3666667 | 143.8 | 984 | 7925 |
| Miyagi | city | Hokkaido | Japan | 43.3333333 | 144.3666667 | 587 | 7931 |
| Miyagi-dantai | city | Hokkaido | Japan | 43.3666667 | 143.8 | 984 | 7925 |
| Miyagi-dantai | city | Hokkaido | Japan | 43.3333333 | 144.3666667 | 587 | 7931 |
| Miyano | city | Hokkaido | Japan | 42.2166667 | 139.8666667 | 3 | 5699 |
| Miyatsu | city | Hokkaido | Japan | 42.2069444 | 139.5516667 | 0 | 2010 |
| Miyazu | city | Hokkaido | Japan | 42.2069444 | 139.5516667 | 0 | 2010 |
| Mizuguchi | city | Hokkaido | Japan | 45.0333333 | 141.6666667 | 9 | 4943 |
| Mizuguchibokujo | city | Hokkaido | Japan | 45.0333333 | 141.6666667 | 9 | 4943 |
| Mizuguchibokujō | city | Hokkaido | Japan | 45.0333333 | 141.6666667 | 9 | 4943 |
| Mizuho | city | Hokkaido | Japan | 44.3666667 | 142.3833333 | 452 | 7795 |
| Mizuho | city | Hokkaido | Japan | 43.8886111 | 143.6372222 | 574 | 7852 |
| Mizukami | city | Hokkaido | Japan | 43.7833333 | 144.5 | 328 | 7872 |
| Mizunashi | city | Hokkaido | Japan | 42.8166667 | 140.1833333 | 469 | 2699 |
| Mizutamari | city | Hokkaido | Japan | 42.7833333 | 141.45 | 774 | 8001 |
| Mizutame | city | Hokkaido | Japan | 42.7833333 | 141.45 | 774 | 8001 |
| Mo-chirippu | city | Hokkaido | Japan | 43.0188889 | 145.0213889 | 0 | 4638 |
| Mo-izari | city | Hokkaido | Japan | 42.8833333 | 141.5666667 | 127 | 7987 |
| Mo-okoppe | city | Hokkaido | Japan | 44.4166667 | 143.1166667 | 318 | 7283 |
| Moasari | city | Hokkaido | Japan | 42.8833333 | 141.5666667 | 127 | 7987 |
| Mobeji | city | Hokkaido | Japan | 41.7577778 | 140.6036111 | 49 | 4876 |
| Mobetsu | city | Hokkaido | Japan | 41.7333333 | 140.5833333 | 0 | 4647 |
| Mobetsu | city | Hokkaido | Japan | 44.3525 | 143.3525 | 59 | 3913 |
| Moe | city | Hokkaido | Japan | 43.6 | 141.3833333 | 187 | 5672 |
| Moheji | city | Hokkaido | Japan | 41.7577778 | 140.6036111 | 49 | 4876 |
| Moi | city | Hokkaido | Japan | 43.6 | 141.3833333 | 187 | 5672 |
| Moiwa | city | Hokkaido | Japan | 43 | 141.35 | 262 | 7974 |
| Moiwa | city | Hokkaido | Japan | 42.8 | 143.5166667 | 13 | 7995 |
| Moiwashita | city | Hokkaido | Japan | 43 | 141.35 | 262 | 7974 |
| Mojiri | city | Hokkaido | Japan | 43.5333333 | 142.0833333 | 492 | 7904 |
| Mombetsu | city | Hokkaido | Japan | 42.4736111 | 142.0722222 | 3 | 4233 |
| Mombetsu | city | Hokkaido | Japan | 42.3 | 142.45 | 19 | 5252 |
| Mombetsu | city | Hokkaido | Japan | 42.45 | 143.3 | 173 | 8039 |
| Mombetsu | city | Hokkaido | Japan | 44.3525 | 143.3525 | 59 | 3913 |
| Momonai | city | Hokkaido | Japan | 43.2 | 140.9 | 357 | 5633 |
| Momponai | city | Hokkaido | Japan | 44.5361111 | 142.3355556 | 246 | 7771 |
| Monai | city | Hokkaido | Japan | 42.1033333 | 139.4227778 | 196 | 4576 |
| Monbetsu | city | Hokkaido | Japan | 44.3525 | 143.3525 | 59 | 3913 |
| Monbetu | city | Hokkaido | Japan | 42.4736111 | 142.0722222 | 3 | 4233 |
| Monbetu | city | Hokkaido | Japan | 44.3525 | 143.3525 | 59 | 3913 |
| Monshizu | city | Hokkaido | Japan | 43.0533333 | 144.7875 | 0 | 6108 |
| Morai | city | Hokkaido | Japan | 43.3077778 | 141.4191667 | 131 | 5964 |
| Moraito | city | Hokkaido | Japan | 43.15 | 145.2333333 | 3 | 4068 |
| Mori | city | Hokkaido | Japan | 42.1027778 | 140.5722222 | 160 | 5034 |
| Morikoshi | city | Hokkaido | Japan | 41.6 | 140.45 | 0 | 4278 |
| Mosaro | city | Hokkaido | Japan | 45.2 | 141.7333333 | 42 | 7683 |
| Mose | city | Hokkaido | Japan | 44.1 | 142.9666667 | 1312 | 7827 |
| Mosekarubetsu | city | Hokkaido | Japan | 44.0833333 | 145.2333333 | 328 | 4190 |
| Moseushi | city | Hokkaido | Japan | 43.6877778 | 141.9591667 | 127 | 7880 |
| Moshiri | city | Hokkaido | Japan | 43.5333333 | 142.0833333 | 492 | 7904 |
| Moto-sarabetsu | city | Hokkaido | Japan | 42.6 | 143.1 | 997 | 8023 |
| Moto-shirotaki | city | Hokkaido | Japan | 43.95 | 143.2666667 | 1177 | 7848 |
| Moto-shirotakigenya | city | Hokkaido | Japan | 43.9166667 | 143.2333333 | 1312 | 7848 |
| Moto-todohokke | city | Hokkaido | Japan | 41.8088889 | 141.1844444 | 3 | 1961 |
| Moto-wanishi | city | Hokkaido | Japan | 42.3569444 | 140.9752778 | 3 | 5777 |
| Moto-wanishicho | city | Hokkaido | Japan | 42.3569444 | 140.9752778 | 3 | 5777 |
| Moto-wanishichō | city | Hokkaido | Japan | 42.3569444 | 140.9752778 | 3 | 5777 |
| Moto-wanishimachi | city | Hokkaido | Japan | 42.3569444 | 140.9752778 | 3 | 5777 |
| Motochi | city | Hokkaido | Japan | 45.3 | 141.0333333 | 564 | 2699 |
| Motododo-Hokke | city | Hokkaido | Japan | 41.8088889 | 141.1844444 | 3 | 1961 |
| Motodomari | city | Hokkaido | Japan | 45.25 | 141.1833333 | 55 | 4316 |
| Motoineppu | city | Hokkaido | Japan | 44.6 | 142.95 | 22 | 4579 |
| Motomachi | city | Hokkaido | Japan | 42.6833333 | 140 | 328 | 4536 |
| Motomari | city | Hokkaido | Japan | 42.3 | 140.9833333 | 0 | 3066 |
| Motomura | city | Hokkaido | Japan | 41.8088889 | 141.1844444 | 3 | 1961 |
| Motomura | city | Hokkaido | Japan | 43.1333333 | 141.3666667 | 13 | 7926 |
| Mototodobokke | city | Hokkaido | Japan | 41.8088889 | 141.1844444 | 3 | 1961 |
| Motoyama | city | Hokkaido | Japan | 42.9833333 | 141.05 | 2030 | 7974 |
| Mouokoppe | city | Hokkaido | Japan | 44.4166667 | 143.1166667 | 318 | 7283 |
| Muejima | city | Hokkaido | Japan | 42.1055556 | 139.4205556 | 0 | 4576 |
| Muen | city | Hokkaido | Japan | 43.2833333 | 144.3666667 | 265 | 7936 |
| Muenjima | city | Hokkaido | Japan | 42.1055556 | 139.4205556 | 0 | 4576 |
| Mueshima | city | Hokkaido | Japan | 42.1055556 | 139.4205556 | 0 | 4576 |
| Mui | city | Hokkaido | Japan | 43.3333333 | 140.4 | 177 | 4752 |
| Muka | city | Hokkaido | Japan | 43.7527778 | 143.5075 | 1013 | 7872 |
| Mukai-Doya | city | Hokkaido | Japan | 42.6397222 | 140.8241667 | 278 | 8019 |
| Mukai-Dōya | city | Hokkaido | Japan | 42.6397222 | 140.8241667 | 278 | 8019 |
| Mukaitoppu | city | Hokkaido | Japan | 42.0166667 | 140.1 | 0 | 4311 |
| Mukawa | city | Hokkaido | Japan | 42.5719444 | 141.9263889 | 6 | 4943 |
| Muko-toya | city | Hokkaido | Japan | 42.6397222 | 140.8241667 | 278 | 8019 |
| Mukotoppu | city | Hokkaido | Japan | 42.0166667 | 140.1 | 0 | 4311 |
| Mukō-tōya | city | Hokkaido | Japan | 42.6397222 | 140.8241667 | 278 | 8019 |
| Mukōtoppu | city | Hokkaido | Japan | 42.0166667 | 140.1 | 0 | 4311 |
| Murii-miyagi-dantai | city | Hokkaido | Japan | 43.9666667 | 143.3333333 | 984 | 7844 |
| Muroran | city | Hokkaido | Japan | 42.3172222 | 140.9880556 | 75 | 3066 |
| Musa | city | Hokkaido | Japan | 43.6166667 | 144.9666667 | 164 | 7894 |
| Mōrai | city | Hokkaido | Japan | 43.3077778 | 141.4191667 | 131 | 5964 |
| Mōraito | city | Hokkaido | Japan | 43.15 | 145.2333333 | 3 | 4068 |
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