| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| O-shimago | city | Kumamoto | Japan | 32.47 | 130.27 | 830 | 16249 |
| O-shimako | city | Kumamoto | Japan | 32.47 | 130.27 | 830 | 16249 |
| Oage | city | Kumamoto | Japan | 32.69 | 130.79 | 196 | 37800 |
| Oama | city | Kumamoto | Japan | 32.85 | 130.60 | 830 | 63262 |
| Obaru | city | Kumamoto | Japan | 32.68 | 130.83 | 314 | 24558 |
| Obatake | city | Kumamoto | Japan | 32.63 | 130.74 | 295 | 39819 |
| Obayashi | city | Kumamoto | Japan | 32.44 | 130.66 | 328 | 11963 |
| Ochiai | city | Kumamoto | Japan | 32.55 | 130.81 | 984 | 2223 |
| Ochozu | city | Kumamoto | Japan | 32.82 | 131.10 | 1669 | 5947 |
| Oda | city | Kumamoto | Japan | 32.25 | 130.97 | 951 | 15083 |
| Odabaru | city | Kumamoto | Japan | 32.26 | 130.96 | 830 | 15083 |
| Odeji | city | Kumamoto | Japan | 32.61 | 130.74 | 328 | 33773 |
| Odori | city | Kumamoto | Japan | 32.65 | 130.71 | 154 | 59799 |
| Oga | city | Kumamoto | Japan | 32.65 | 130.85 | 830 | 16562 |
| Ogannomata | city | Kumamoto | Japan | 32.21 | 130.57 | 1968 | 6566 |
| Ogawa | city | Kumamoto | Japan | 32.21 | 130.84 | 830 | 16991 |
| Ogawa | city | Kumamoto | Japan | 32.58 | 130.72 | 164 | 36388 |
| Ogawa | city | Kumamoto | Japan | 32.24 | 130.69 | 328 | 4841 |
| Ogawa-honmura | city | Kumamoto | Japan | 32.60 | 130.70 | 127 | 52036 |
| Ogawamachi-egashira | city | Kumamoto | Japan | 32.59 | 130.70 | 114 | 52036 |
| Ogawamachi-gōnoe | city | Kumamoto | Japan | 32.60 | 130.71 | 154 | 49578 |
| Ogawamachi-higashikaitō | city | Kumamoto | Japan | 32.59 | 130.76 | 321 | 16239 |
| Ogawamachi-higashiogawa | city | Kumamoto | Japan | 32.57 | 130.72 | 301 | 29530 |
| Ogawamachi-kawajiri | city | Kumamoto | Japan | 32.60 | 130.69 | 101 | 54361 |
| Ogawamachi-kitakaito | city | Kumamoto | Japan | 32.59 | 130.75 | 259 | 25377 |
| Ogawamachi-kitaono | city | Kumamoto | Japan | 32.62 | 130.71 | 282 | 49489 |
| Ogawamachi-kitashinden | city | Kumamoto | Japan | 32.60 | 130.70 | 127 | 49578 |
| Ogawamachi-kitashinden | city | Kumamoto | Japan | 32.60 | 130.72 | 282 | 40522 |
| Ogawamachi-minamibeta | city | Kumamoto | Japan | 32.59 | 130.71 | 160 | 43209 |
| Ogawamachi-minamikaitō | city | Kumamoto | Japan | 32.58 | 130.74 | 830 | 20531 |
| Ogawamachi-minamiogawa | city | Kumamoto | Japan | 32.58 | 130.72 | 164 | 36388 |
| Ogawamachi-minamiono | city | Kumamoto | Japan | 32.61 | 130.72 | 229 | 43018 |
| Ogawamachi-minamishinden | city | Kumamoto | Japan | 32.59 | 130.69 | 104 | 54782 |
| Ogawamachi-nakaono | city | Kumamoto | Japan | 32.61 | 130.72 | 282 | 43018 |
| Ogawamachi-nishikaitō | city | Kumamoto | Japan | 32.58 | 130.73 | 157 | 28925 |
| Ogawamachi-nishikitaogawa | city | Kumamoto | Japan | 32.59 | 130.71 | 160 | 46864 |
| Ogawamachi-ogawa | city | Kumamoto | Japan | 32.59 | 130.71 | 127 | 46864 |
| Ogawamachi-shinden | city | Kumamoto | Japan | 32.60 | 130.69 | 104 | 54790 |
| Ogawamachi-shindende | city | Kumamoto | Japan | 32.61 | 130.68 | 91 | 54126 |
| Ogawamachi-shiranui | city | Kumamoto | Japan | 32.61 | 130.65 | 0 | 46958 |
| Ogawamachi-sumiyoshi | city | Kumamoto | Japan | 32.60 | 130.67 | 78 | 52084 |
| Ogawanishi | city | Kumamoto | Japan | 32.58 | 130.74 | 193 | 24613 |
| Ogayama | city | Kumamoto | Japan | 32.17 | 130.57 | 1909 | 4444 |
| Ogitani | city | Kumamoto | Japan | 32.68 | 130.62 | 984 | 57903 |
| Ogochi | city | Kumamoto | Japan | 32.31 | 130.98 | 954 | 7495 |
| Ogojima | city | Kumamoto | Japan | 32.64 | 130.81 | 252 | 17786 |
| Ogura haru | city | Kumamoto | Japan | 32.85 | 131.13 | 1978 | 6323 |
| Ogura haru | city | Kumamoto | Japan | 32.85 | 131.15 | 2509 | 4898 |
| Ohira | city | Kumamoto | Japan | 32.37 | 130.84 | 984 | 1888 |
| Ohira | city | Kumamoto | Japan | 32.28 | 130.79 | 984 | 6341 |
| Ohitsu | city | Kumamoto | Japan | 32.81 | 131.10 | 1850 | 5926 |
| Oikamimachi | city | Kumamoto | Japan | 32.21 | 130.76 | 830 | 8274 |
| Oike | city | Kumamoto | Japan | 32.70 | 130.57 | 374 | 19623 |
| Oike | city | Kumamoto | Japan | 32.75 | 130.81 | 324 | 68476 |
| Oike-akinaga | city | Kumamoto | Japan | 32.76 | 130.80 | 203 | 81503 |
| Oinago | city | Kumamoto | Japan | 32.45 | 130.65 | 328 | 29181 |
| Oiwa | city | Kumamoto | Japan | 32.33 | 130.64 | 1669 | 3811 |
| Oiwake | city | Kumamoto | Japan | 32.64 | 130.77 | 314 | 30439 |
| Okadake | city | Kumamoto | Japan | 32.66 | 130.68 | 127 | 65471 |
| Okado | city | Kumamoto | Japan | 32.43 | 130.64 | 328 | 13259 |
| Okafumoto | city | Kumamoto | Japan | 32.23 | 130.94 | 954 | 15720 |
| Okaharu-minami | city | Kumamoto | Japan | 32.23 | 130.93 | 830 | 16562 |
| Okaharukita | city | Kumamoto | Japan | 32.24 | 130.93 | 830 | 17037 |
| Okai | city | Kumamoto | Japan | 32.26 | 130.51 | 396 | 9080 |
| Okamachi-naka | city | Kumamoto | Japan | 32.54 | 130.67 | 984 | 65263 |
| Okamachi-shoji | city | Kumamoto | Japan | 32.54 | 130.67 | 298 | 65263 |
| Okamachi-tanigawa | city | Kumamoto | Japan | 32.53 | 130.67 | 328 | 63376 |
| Okawa | city | Kumamoto | Japan | 32.17 | 130.57 | 1669 | 4846 |
| Okawachi | city | Kumamoto | Japan | 32.39 | 130.58 | 830 | 17583 |
| Okawachi | city | Kumamoto | Japan | 32.29 | 130.80 | 1669 | 4453 |
| Okawachi | city | Kumamoto | Japan | 32.25 | 130.51 | 308 | 10055 |
| Okawachi | city | Kumamoto | Japan | 32.35 | 130.73 | 2509 | 1707 |
| Oki | city | Kumamoto | Japan | 32.25 | 130.95 | 830 | 16458 |
| Okidomo | city | Kumamoto | Japan | 32.62 | 130.66 | 39 | 51420 |
| Okidomo | city | Kumamoto | Japan | 32.60 | 130.65 | 42 | 43253 |
| Okimachi | city | Kumamoto | Japan | 32.53 | 130.58 | 68 | 65276 |
| Okino | city | Kumamoto | Japan | 32.87 | 130.79 | 252 | 134144 |
| Okirihata | city | Kumamoto | Japan | 32.84 | 130.93 | 1017 | 17098 |
| Okita | city | Kumamoto | Japan | 32.64 | 130.83 | 406 | 16124 |
| Okoba | city | Kumamoto | Japan | 32.16 | 130.81 | 830 | 12434 |
| Okobafumotomachi | city | Kumamoto | Japan | 32.16 | 130.80 | 830 | 11990 |
| Okobamachi | city | Kumamoto | Japan | 32.16 | 130.81 | 830 | 12434 |
| Okoshiki | city | Kumamoto | Japan | 32.66 | 130.54 | 246 | 9811 |
| Okuno | city | Kumamoto | Japan | 32.24 | 130.95 | 830 | 15069 |
| Okurabaru | city | Kumamoto | Japan | 32.85 | 131.13 | 1978 | 6323 |
| Okuratoko | city | Kumamoto | Japan | 32.69 | 130.64 | 62 | 109631 |
| Omachi | city | Kumamoto | Japan | 32.66 | 130.81 | 301 | 26574 |
| Omagari | city | Kumamoto | Japan | 32.26 | 130.73 | 830 | 4892 |
| Omata | city | Kumamoto | Japan | 32.53 | 130.81 | 1669 | 1327 |
| Omegō | city | Kumamoto | Japan | 32.25 | 130.97 | 951 | 14129 |
| Ominami | city | Kumamoto | Japan | 32.24 | 130.51 | 830 | 9963 |
| Omote-minamiogawa | city | Kumamoto | Japan | 32.58 | 130.72 | 164 | 39555 |
| Omura | city | Kumamoto | Japan | 32.62 | 130.76 | 830 | 25556 |
| Omura | city | Kumamoto | Japan | 32.65 | 130.76 | 328 | 33888 |
| Omuramachi | city | Kumamoto | Japan | 32.52 | 130.62 | 127 | 85732 |
| Onahara | city | Kumamoto | Japan | 32.41 | 130.63 | 984 | 11420 |
| Onako | city | Kumamoto | Japan | 32.22 | 130.52 | 1095 | 9282 |
| Onigimachi | city | Kumamoto | Japan | 32.22 | 130.77 | 830 | 8192 |
| Oniike | city | Kumamoto | Japan | 32.53 | 130.18 | 52 | 15208 |
| Oniki | city | Kumamoto | Japan | 32.23 | 130.02 | 416 | 16775 |
| Onimaru | city | Kumamoto | Japan | 32.40 | 130.60 | 830 | 14530 |
| Oninoike | city | Kumamoto | Japan | 32.53 | 130.18 | 52 | 15208 |
| Ono | city | Kumamoto | Japan | 32.80 | 130.89 | 1669 | 24630 |
| Ono | city | Kumamoto | Japan | 32.59 | 130.74 | 193 | 22794 |
| Ono | city | Kumamoto | Japan | 32.57 | 130.70 | 255 | 49475 |
| Ono | city | Kumamoto | Japan | 32.32 | 130.85 | 830 | 3597 |
| Ono | city | Kumamoto | Japan | 32.26 | 130.56 | 1125 | 8117 |
| Ono | city | Kumamoto | Japan | 32.31 | 130.92 | 830 | 9542 |
| Onobashi | city | Kumamoto | Japan | 32.65 | 130.69 | 88 | 65307 |
| Onomachi | city | Kumamoto | Japan | 32.16 | 130.78 | 984 | 10986 |
| Onsenmachi | city | Kumamoto | Japan | 32.22 | 130.73 | 331 | 6584 |
| Oritachi | city | Kumamoto | Japan | 32.41 | 130.78 | 1669 | 1032 |
| Oritsuki | city | Kumamoto | Japan | 32.55 | 130.94 | 3349 | 2171 |
| Oroguchi | city | Kumamoto | Japan | 32.63 | 130.62 | 3 | 31270 |
| Osako | city | Kumamoto | Japan | 32.36 | 130.60 | 830 | 7132 |
| Ose | city | Kumamoto | Japan | 32.28 | 130.61 | 328 | 5483 |
| Oshiyama | city | Kumamoto | Japan | 32.44 | 130.80 | 2624 | 594 |
| Otan | city | Kumamoto | Japan | 32.68 | 130.82 | 314 | 27106 |
| Otani | city | Kumamoto | Japan | 32.68 | 130.82 | 314 | 27106 |
| Otera | city | Kumamoto | Japan | 32.82 | 131.05 | 1669 | 7460 |
| Otogase | city | Kumamoto | Japan | 32.88 | 131.01 | 1968 | 10862 |
| Otogawa | city | Kumamoto | Japan | 32.54 | 130.80 | 984 | 2223 |
| Otojiya | city | Kumamoto | Japan | 32.31 | 130.51 | 252 | 9547 |
| Otsu | city | Kumamoto | Japan | 32.87 | 130.87 | 328 | 49799 |
| Otsubo | city | Kumamoto | Japan | 32.81 | 131.10 | 1850 | 5689 |
| Otsuka | city | Kumamoto | Japan | 32.13 | 130.71 | 1669 | 10402 |
| Oura | city | Kumamoto | Japan | 32.52 | 130.37 | 19 | 5926 |
| Ouramura | city | Kumamoto | Japan | 32.52 | 130.37 | 19 | 5926 |
| Oyabu | city | Kumamoto | Japan | 32.42 | 130.80 | 1669 | 734 |
| Oyamada | city | Kumamoto | Japan | 32.25 | 130.78 | 830 | 8351 |
| Oyatsu | city | Kumamoto | Japan | 32.81 | 130.86 | 324 | 62540 |
| Oyorisaki | city | Kumamoto | Japan | 32.33 | 130.78 | 2509 | 2354 |
| Ozaki | city | Kumamoto | Japan | 32.29 | 130.80 | 1669 | 5524 |
| Ozaki | city | Kumamoto | Japan | 32.24 | 130.73 | 830 | 5226 |
| Ozaya | city | Kumamoto | Japan | 32.55 | 130.63 | 91 | 65729 |
| Ozono | city | Kumamoto | Japan | 32.85 | 130.90 | 830 | 28656 |
| Ozono | city | Kumamoto | Japan | 32.58 | 130.79 | 830 | 7884 |