| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| O'Neil | city | Michigan | United States | 44.64139 | -85.07389 | 1122 | 602 |
| Oak | city | Michigan | United States | 42.38028 | -83.23444 | 623 | 309745 |
| Oak Grove | city | Michigan | United States | 44.9725 | -84.6825 | 1309 | 7320 |
| Oak Grove | city | Michigan | United States | 42.70028 | -83.93194 | 898 | 5028 |
| Oak Grove | city | Michigan | United States | 42.62028 | -83.23917 | 905 | 88313 |
| Oak Hill | city | Michigan | United States | 44.22444 | -86.30389 | 593 | 9028 |
| Oak Park | city | Michigan | United States | 42.35833 | -85.25694 | 816 | 21131 |
| Oak Park | city | Michigan | United States | 42.45944 | -83.18278 | 666 | 259284 |
| Oak Point | city | Michigan | United States | 42.19278 | -84.25583 | 944 | 10209 |
| Oak Ridge | city | Michigan | United States | 46.28861 | -84.21 | 593 | 414 |
| Oak Shade Park | city | Michigan | United States | 42.06833 | -84.16056 | 984 | 4028 |
| Oak Wood Shores | city | Michigan | United States | 44.21167 | -83.55361 | 577 | 1265 |
| Oakhurst | city | Michigan | United States | 43.63972 | -83.60611 | 583 | 739 |
| Oaklawn Beechwood | city | Michigan | United States | 42.805 | -86.11444 | 597 | 45614 |
| Oakley | city | Michigan | United States | 43.13972 | -84.16806 | 662 | 2890 |
| Oakley Park | city | Michigan | United States | 42.56889 | -83.49667 | 908 | 51329 |
| Oakville | city | Michigan | United States | 42.08139 | -83.58083 | 656 | 4074 |
| Oakwood | city | Michigan | United States | 42.25639 | -85.62 | 898 | 109730 |
| Oakwood | city | Michigan | United States | 41.79556 | -85.55194 | 839 | 3754 |
| Oakwood | city | Michigan | United States | 42.8675 | -83.33667 | 1095 | 12856 |
| Oberlin | city | Michigan | United States | 44.07444 | -84.50611 | 895 | 2184 |
| Oberlin historical | city | Michigan | United States | 44.69306 | -86.22 | 593 | 2258 |
| Ocqueoc | city | Michigan | United States | 45.40833 | -84.09 | 767 | 691 |
| Oden | city | Michigan | United States | 45.42361 | -84.82806 | 623 | 1808 |
| Odgers Location | city | Michigan | United States | 46.0975 | -88.34889 | 1489 | 433 |
| Ogden | city | Michigan | United States | 41.81778 | -83.98 | 708 | 3039 |
| Ogden Center | city | Michigan | United States | 41.77194 | -83.95972 | 711 | 1897 |
| Ogemaw Springs | city | Michigan | United States | 44.30361 | -84.2925 | 1059 | 823 |
| Ogontz | city | Michigan | United States | 45.86833 | -86.79083 | 597 | 160 |
| Oil City | city | Michigan | United States | 43.61083 | -84.58833 | 705 | 2240 |
| Ojibway | city | Michigan | United States | 47.33944 | -88.32778 | 1079 | 754 |
| Okemos | city | Michigan | United States | 42.72222 | -84.4275 | 859 | 72159 |
| Old Mill Gardens | city | Michigan | United States | 42.26806 | -85.19889 | 908 | 42176 |
| Old Mission | city | Michigan | United States | 44.96222 | -85.48528 | 577 | 1430 |
| Old Saugatuck | city | Michigan | United States | 42.66639 | -86.21278 | 613 | 2310 |
| Old Squaw Skin Landing | city | Michigan | United States | 42.64139 | -86.06917 | 603 | 3418 |
| Old Victoria Historic Townsite | city | Michigan | United States | 46.70778 | -89.22639 | 1003 | 505 |
| Oldport | city | Michigan | United States | 41.99472 | -83.28667 | 570 | 8407 |
| Olive Center | city | Michigan | United States | 42.91417 | -86.08139 | 613 | 6389 |
| Olivers | city | Michigan | United States | 43.8825 | -85.58222 | 1200 | 2360 |
| Olivet | city | Michigan | United States | 42.44139 | -84.92417 | 902 | 2661 |
| Olney Corners | city | Michigan | United States | 43.12806 | -84.34472 | 728 | 1916 |
| Olson | city | Michigan | United States | 43.62556 | -84.42917 | 652 | 4402 |
| Omena | city | Michigan | United States | 45.05556 | -85.58889 | 593 | 1319 |
| Omer | city | Michigan | United States | 44.0475 | -83.85444 | 597 | 1792 |
| Onaway | city | Michigan | United States | 45.3575 | -84.22389 | 885 | 864 |
| Onekama | city | Michigan | United States | 44.36361 | -86.205 | 587 | 1896 |
| Onekama Junction | city | Michigan | United States | 44.33694 | -86.2025 | 862 | 1896 |
| Onondaga | city | Michigan | United States | 42.44417 | -84.56222 | 898 | 2987 |
| Onota | city | Michigan | United States | 46.47111 | -86.99583 | 1000 | 519 |
| Onsted | city | Michigan | United States | 42.00611 | -84.19 | 987 | 3928 |
| Ontonagon | city | Michigan | United States | 46.87111 | -89.31389 | 613 | 489 |
| Orangeville | city | Michigan | United States | 42.55278 | -85.51917 | 774 | 3857 |
| Orchard Beach | city | Michigan | United States | 45.55694 | -84.46444 | 593 | 3159 |
| Orchard Lake | city | Michigan | United States | 42.58306 | -83.35944 | 948 | 86831 |
| Orchard Park | city | Michigan | United States | 42.34083 | -85.18556 | 849 | 50330 |
| Orchard Point | city | Michigan | United States | 45.21583 | -83.495 | 643 | 1042 |
| Orleans | city | Michigan | United States | 43.06861 | -85.135 | 853 | 3237 |
| Orr | city | Michigan | United States | 43.38028 | -84.17028 | 610 | 4993 |
| Ortonville | city | Michigan | United States | 42.85222 | -83.44306 | 948 | 11021 |
| Osceola | city | Michigan | United States | 47.23139 | -88.45361 | 1197 | 6882 |
| Oscoda | city | Michigan | United States | 44.42028 | -83.33083 | 583 | 4858 |
| Oshtemo | city | Michigan | United States | 42.25889 | -85.6775 | 971 | 29966 |
| Oskar | city | Michigan | United States | 47.17472 | -88.64833 | 623 | 2220 |
| Ossawinamakee Beach | city | Michigan | United States | 45.99806 | -86.29361 | 623 | 2125 |
| Osseo | city | Michigan | United States | 41.88583 | -84.54417 | 1095 | 5430 |
| Ossineke | city | Michigan | United States | 44.90222 | -83.4425 | 672 | 1850 |
| Otisville | city | Michigan | United States | 43.16611 | -83.52444 | 800 | 6515 |
| Otsego | city | Michigan | United States | 42.46056 | -85.69639 | 702 | 9844 |
| Otsego Lake | city | Michigan | United States | 44.91694 | -84.6925 | 1348 | 4074 |
| Ottawa | city | Michigan | United States | 41.76722 | -83.52139 | 593 | 24985 |
| Ottawa Center | city | Michigan | United States | 43.02944 | -86.03111 | 623 | 6400 |
| Otter Lake | city | Michigan | United States | 43.21333 | -83.45444 | 898 | 4645 |
| Overisel | city | Michigan | United States | 42.72833 | -86.00972 | 698 | 7392 |
| Ovid | city | Michigan | United States | 43.00583 | -84.37167 | 728 | 2547 |
| Owendale | city | Michigan | United States | 43.72917 | -83.26806 | 646 | 2178 |
| Owosso | city | Michigan | United States | 42.99778 | -84.17667 | 718 | 23243 |
| Oxbow | city | Michigan | United States | 42.02167 | -86.38694 | 662 | 9290 |
| Oxbow | city | Michigan | United States | 42.66778 | -86.20361 | 597 | 5422 |
| Oxbow | city | Michigan | United States | 43.4825 | -85.62278 | 810 | 2744 |
| Oxbow | city | Michigan | United States | 42.64056 | -83.47306 | 948 | 38185 |
| Oxbow Park | city | Michigan | United States | 43.50722 | -85.60194 | 843 | 2384 |
| Oxford | city | Michigan | United States | 42.82472 | -83.26472 | 1046 | 22128 |
| Ozark | city | Michigan | United States | 46.14194 | -84.96556 | 853 | 198 |
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