| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Oka | city | Guam | United States | 13.50 | 144.77 | 3 | |
| Oka | city | West Virginia | United States | 38.66 | -81.14 | 997 | |
| Oka Hullo (historical) | city | Mississippi | United States | 32.58 | -89.06 | 830 | |
| Oka Kapassa (historical) | city | Alabama | United States | 34.74 | -87.73 | 830 | |
| Oka Kapassa (historical) | city | Mississippi | United States | 32.53 | -89.15 | 830 | |
| Okabena | city | Minnesota | United States | 43.74 | -95.32 | 1669 | |
| Okahola | city | Mississippi | United States | 31.21 | -89.39 | 216 | |
| Okahta Talaia (historical) | city | Mississippi | United States | 32.46 | -89.25 | 830 | |
| Okahumpka | city | Florida | United States | 28.75 | -81.90 | 111 | |
| Okahumpka (historical) | city | Florida | United States | 28.77 | -81.90 | 68 | |
| Okalona | city | Tennessee | United States | 36.33 | -85.34 | 915 | |
| Okaloo | city | Florida | United States | 30.92 | -86.49 | 295 | |
| Okaloosa | city | Louisiana | United States | 32.38 | -92.33 | 196 | |
| Okanogan | city | Washington | United States | 48.36 | -119.58 | 1046 | |
| Okanogan City (historical) | city | Washington | United States | 47.64 | -120.00 | 2509 | |
| Okarche | city | Oklahoma | United States | 35.73 | -97.98 | 1236 | |
| Okatie | city | South Carolina | United States | 32.35 | -80.98 | 9 | |
| Okaton | city | South Dakota | United States | 43.89 | -100.89 | 2509 | |
| Okatuppa | city | Alabama | United States | 31.94 | -88.40 | 127 | |
| Okauchee | city | Wisconsin | United States | 43.11 | -88.44 | 898 | |
| Okauchee Lake | city | Wisconsin | United States | 43.12 | -88.44 | 869 | |
| Okawahathako (historical) | city | Florida | United States | 29.57 | -81.72 | 19 | |
| Okawville | city | Illinois | United States | 38.43 | -89.55 | 830 | |
| Okay | city | Arkansas | United States | 33.77 | -93.92 | 311 | |
| Okay | city | Oklahoma | United States | 35.85 | -95.32 | 830 | |
| Okay (historical) | city | Arkansas | United States | 35.56 | -92.84 | 1669 | |
| Okcidenta Covina | city | California | United States | 34.07 | -117.94 | 387 | |
| Okcidenta Jordan | city | Utah | United States | 40.61 | -111.94 | 4340 | |
| Okcidenta Palm Beach | city | Florida | United States | 26.72 | -80.05 | 3 | |
| Okeafenoke Swamp (historical) | city | Florida | United States | 30.17 | -82.42 | 157 | |
| Okeana | city | Ohio | United States | 39.35 | -84.77 | 830 | |
| Okee | city | Wisconsin | United States | 43.36 | -89.58 | 830 | |
| Okeechobee | city | Florida | United States | 27.24 | -80.83 | 22 | |
| Okeelanta | city | Florida | United States | 26.61 | -80.71 | 13 | |
| Okeene | city | Oklahoma | United States | 36.12 | -98.32 | 1200 | |
| Okeewemee | city | North Carolina | United States | 35.41 | -79.85 | 830 | |
| Okehocking Hills | city | Pennsylvania | United States | 39.96 | -75.48 | 383 | |
| Okemah | city | Oklahoma | United States | 35.43 | -96.31 | 915 | |
| Okemos | city | Michigan | United States | 42.72 | -84.43 | 859 | |
| Okesa | city | Oklahoma | United States | 36.71 | -96.13 | 830 | |
| Okete | city | Missouri | United States | 39.10 | -90.93 | 830 | |
| Oketeyeconne (historical) | city | Georgia | United States | 31.64 | -85.08 | 190 | |
| Oketo | city | Kansas | United States | 39.96 | -96.60 | 1669 | |
| Oketol | city | Palau | United States | 7.69 | 134.62 | 0 | |
| Okey | city | Ohio | United States | 38.63 | -82.37 | 898 | |
| Okfuskee | city | Oklahoma | United States | 35.60 | -96.23 | 830 | |
| Okisko | city | North Carolina | United States | 36.26 | -76.35 | 6 | |
| Oklahoma | city | Kentucky | United States | 37.66 | -86.88 | 830 | |
| Oklahoma | city | Louisiana | United States | 31.01 | -92.21 | 62 | |
| Oklahoma | city | Maryland | United States | 39.41 | -76.92 | 830 | |
| Oklahoma | city | Mississippi | United States | 33.33 | -90.17 | 141 | |
| Oklahoma | city | Pennsylvania | United States | 40.58 | -79.57 | 898 | |
| Oklahoma | city | Pennsylvania | United States | 41.11 | -78.73 | 1669 | |
| Oklahoma | city | Texas | United States | 30.16 | -95.59 | 160 | |
| Oklahoma (historical) | city | Ohio | United States | 39.79 | -84.63 | 1000 | |
| Oklahoma Beach | city | New York | United States | 43.24 | -77.52 | 308 | |
| Oklahoma Ceety | city | Oklahoma | United States | 35.47 | -97.52 | 1181 | |
| Oklahoma City | city | Oklahoma | United States | 35.47 | -97.52 | 1181 | |
| Oklahoma Flat | city | Texas | United States | 33.79 | -102.40 | 3526 | |
| Oklahoma Heights | city | Massachusetts | United States | 41.44 | -70.61 | 49 | |
| Oklahoma Hill | city | Oregon | United States | 46.14 | -123.41 | 196 | |
| Oklahoma Hills | city | Georgia | United States | 33.41 | -82.06 | 252 | |
| Oklahoma Hills | city | Oklahoma | United States | 34.48 | -97.93 | 1082 | |
| Oklahoma Lane | city | Texas | United States | 34.39 | -102.89 | 4189 | |
| Oklahoma Siti | city | Oklahoma | United States | 35.47 | -97.52 | 1181 | |
| Oklahoma Sitis | city | Oklahoma | United States | 35.47 | -97.52 | 1181 | |
| Oklahoma Sitės | city | Oklahoma | United States | 35.47 | -97.52 | 1181 | |
| Oklahoma llaqta | city | Oklahoma | United States | 35.47 | -97.52 | 1181 | |
| Oklahomasitija | city | Oklahoma | United States | 35.47 | -97.52 | 1181 | |
| Oklahomaurbo | city | Oklahoma | United States | 35.47 | -97.52 | 1181 | |
| Oklandas | city | California | United States | 37.80 | -122.27 | 3 | |
| Oklaunion | city | Texas | United States | 34.13 | -99.14 | 1236 | |
| Oklaxoma Shehiri | city | Oklahoma | United States | 35.47 | -97.52 | 1181 | |
| Oklee | city | Minnesota | United States | 47.84 | -95.85 | 1138 | |
| Oklenda | city | California | United States | 37.80 | -122.27 | 3 | |
| Oklēra | city | Wisconsin | United States | 44.81 | -91.50 | 830 | |
| Okmulgee | city | Oklahoma | United States | 35.62 | -95.96 | 830 | |
| Oknagamut (historical) | city | Alaska | United States | 61.56 | -160.07 | 49 | |
| Okoboji | city | Iowa | United States | 43.39 | -95.15 | 1669 | |
| Okobojo | city | South Dakota | United States | 44.65 | -100.40 | 1699 | |
| Okoe (historical) | city | Hawaii | United States | 19.15 | -155.91 | 150 | |
| Okoee | city | Oklahoma | United States | 36.52 | -95.09 | 830 | |
| Okolona | city | Arkansas | United States | 34.00 | -93.34 | 396 | |
| Okolona | city | Kentucky | United States | 38.14 | -85.69 | 830 | |
| Okolona | city | Mississippi | United States | 34.00 | -88.76 | 354 | |
| Okolona | city | Ohio | United States | 41.36 | -84.22 | 830 | |
| Okolona | city | Tennessee | United States | 36.58 | -82.77 | 1669 | |
| Okolona | city | Tennessee | United States | 36.27 | -82.32 | 1669 | |
| Okolona Estates | city | Tennessee | United States | 36.29 | -82.30 | 1692 | |
| Okome | city | Pennsylvania | United States | 41.44 | -77.41 | 1669 | |
| Okomo Mobile Home Park | city | Florida | United States | 26.03 | -80.17 | 9 | |
| Okonoko | city | West Virginia | United States | 39.52 | -78.53 | 830 | |
| Okra | city | Tennessee | United States | 36.62 | -85.12 | 898 | |
| Okra | city | Texas | United States | 32.14 | -98.88 | 1669 | |
| Okreek | city | South Dakota | United States | 43.36 | -100.39 | 2509 | |
| Okręg Skagway | city | Alaska | United States | 59.46 | -135.31 | 830 | |
| Oktaha | city | Oklahoma | United States | 35.58 | -95.47 | 830 | |
| Oktahatko (historical) | city | Florida | United States | 30.93 | -85.27 | 88 | |
| Oktibbeha (historical) | city | Mississippi | United States | 32.58 | -88.81 | 390 | |
| Oktibbeha Gardens | city | Mississippi | United States | 33.47 | -88.81 | 400 | |
| Oktoc | city | Mississippi | United States | 33.33 | -88.76 | 298 |