| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Obila | city | Nyanza Province | Kenya | -0.9666667 | 34.45 | 5114 | 35146 |
| Obila's Village | city | Nyanza Province | Kenya | -0.9666667 | 34.45 | 5114 | 35146 |
| Obilaʼs Village | city | Nyanza Province | Kenya | -0.9666667 | 34.45 | 5114 | 35146 |
| Obo | city | Coast Province | Kenya | -1.35 | 40 | 269 | 878 |
| Oda | city | Coast Province | Kenya | -2.4838889 | 40.2075 | 39 | 607 |
| Odd | city | Coast Province | Kenya | -2.4838889 | 40.2075 | 39 | 607 |
| Odok | city | Nyanza Province | Kenya | -0.9166667 | 34.6166667 | 5360 | 56905 |
| Odoyo | city | Nyanza Province | Kenya | -0.5666667 | 34.4333333 | 4048 | 43244 |
| Ofafa | city | Nairobi Area | Kenya | -1.2833333 | 36.8666667 | 5518 | 689787 |
| Ogama | city | Nyanza Province | Kenya | -0.6333333 | 34.45 | 4071 | 43993 |
| Ogembo | city | Nyanza Province | Kenya | -0.8 | 34.7166667 | 5393 | 98172 |
| Ogomo | city | Nyanza Province | Kenya | -0.6333333 | 34.45 | 4071 | 43993 |
| Ojuok | city | Nyanza Province | Kenya | -0.7666667 | 34.55 | 4543 | 45385 |
| Okia | city | Eastern Province | Kenya | -1.7666667 | 37.5 | 4078 | 23676 |
| Okoth | city | Nyanza Province | Kenya | -0.9333333 | 34.5666667 | 4822 | 47813 |
| Okumu | city | Nyanza Province | Kenya | -0.9166667 | 34.55 | 4737 | 47813 |
| Ol Kejuado | city | Rift Valley Province | Kenya | -1.85 | 36.7833333 | 5603 | 2100 |
| Ol Lalunga | city | Rift Valley Province | Kenya | -1 | 35.6666667 | 6141 | 2883 |
| Ol Latunga | city | Rift Valley Province | Kenya | -1 | 35.6666667 | 6141 | 2883 |
| Ol Mesuti | city | Rift Valley Province | Kenya | -1.9 | 35.7666667 | 6236 | 2811 |
| Ol Mukutan | city | Rift Valley Province | Kenya | 0.6333333 | 36.2666667 | 4278 | 3750 |
| Ol Olong'a | city | Rift Valley Province | Kenya | -1 | 35.6666667 | 6141 | 2883 |
| Ol Olongʼa | city | Rift Valley Province | Kenya | -1 | 35.6666667 | 6141 | 2883 |
| Ol Ombokishi | city | Rift Valley Province | Kenya | -1.0166667 | 36.05 | 7007 | 7434 |
| Ol Omborishi | city | Rift Valley Province | Kenya | -1.0166667 | 36.05 | 7007 | 7434 |
| Old Mombasa | city | Coast Province | Kenya | -4.05 | 39.6666667 | 3 | 233500 |
| Old Town | city | Coast Province | Kenya | -4.05 | 39.6666667 | 3 | 233500 |
| Olderet | city | Rift Valley Province | Kenya | 0.5166667 | 35.2833333 | 6948 | 50294 |
| Ole Seni | city | Rift Valley Province | Kenya | -2.2333333 | 36.4333333 | 4061 | 2100 |
| Olengarua | city | Rift Valley Province | Kenya | -2.0833333 | 36.1166667 | 2178 | 981 |
| Olioserri | city | Rift Valley Province | Kenya | -2.2333333 | 36.4333333 | 4061 | 2100 |
| Oljoro Orok | city | Central Province | Kenya | -0.0666667 | 36.3666667 | 7906 | 21865 |
| Olkeramatian | city | Rift Valley Province | Kenya | -1.8833333 | 36.1333333 | 2260 | 980 |
| Olkeramatiani | city | Rift Valley Province | Kenya | -1.8833333 | 36.1333333 | 2260 | 980 |
| Olkiramatian | city | Rift Valley Province | Kenya | -1.8833333 | 36.1333333 | 2260 | 980 |
| Olmesutie | city | Rift Valley Province | Kenya | -1.9 | 35.7666667 | 6236 | 2811 |
| Olmesutye | city | Rift Valley Province | Kenya | -1.9 | 35.7666667 | 6236 | 2811 |
| Olngarua | city | Rift Valley Province | Kenya | 0.2833333 | 36.3 | 6768 | 6518 |
| Oloiserri | city | Rift Valley Province | Kenya | -2.2333333 | 36.4333333 | 4061 | 2100 |
| Oloiyangalani | city | Rift Valley Province | Kenya | -1.75 | 36.7 | 6010 | 3154 |
| Olokurto | city | Rift Valley Province | Kenya | -0.6333333 | 35.85 | 8710 | 8165 |
| Olololong'a | city | Rift Valley Province | Kenya | -1 | 35.6666667 | 6141 | 2883 |
| Olololongʼa | city | Rift Valley Province | Kenya | -1 | 35.6666667 | 6141 | 2883 |
| Oloyaingalani | city | Rift Valley Province | Kenya | -1.75 | 36.7 | 6010 | 3154 |
| Olteret | city | Rift Valley Province | Kenya | 0.5166667 | 35.2833333 | 6948 | 50294 |
| Oltulili | city | Eastern Province | Kenya | 0.0166667 | 37.1666667 | 7171 | 6249 |
| Omari | city | Coast Province | Kenya | -3.4833333 | 38.3166667 | 3356 | 6179 |
| Ondiek's | city | Nyanza Province | Kenya | -0.75 | 34.3 | 4583 | 31166 |
| Ondiekʼs | city | Nyanza Province | Kenya | -0.75 | 34.3 | 4583 | 31166 |
| Ontulili | city | Eastern Province | Kenya | 0.0166667 | 37.1666667 | 7171 | 6249 |
| Opiyo | city | Nyanza Province | Kenya | -0.8333333 | 34.5666667 | 4970 | 48381 |
| Orbu | city | Coast Province | Kenya | -0.6569444 | 39.7802778 | 419 | 849 |
| Oropoi | city | Rift Valley Province | Kenya | 3.7666667 | 34.2333333 | 5177 | 1150 |
| Orwa | city | Rift Valley Province | Kenya | 1.6666667 | 35.4666667 | 2870 | 3785 |
| Oseni | city | Coast Province | Kenya | -1.9627778 | 41.3075 | 0 | 1765 |
| Othaya | city | Central Province | Kenya | -0.5666667 | 36.95 | 5990 | 59434 |
| Otiende | city | Nairobi Area | Kenya | -1.3166667 | 36.7833333 | 5859 | 359264 |
| Otinga | city | Nyanza Province | Kenya | -0.8666667 | 34.5833333 | 5019 | 49621 |
| Ouma's | city | Nyanza Province | Kenya | -0.9 | 34.2833333 | 3989 | 21826 |
| Oumaʼs | city | Nyanza Province | Kenya | -0.9 | 34.2833333 | 3989 | 21826 |
| Outer Ring Road | city | Nairobi Area | Kenya | -1.2666667 | 36.8833333 | 5436 | 515799 |
| Oyani Farm Institute | city | Nyanza Province | Kenya | -0.9833333 | 34.5166667 | 4986 | 39975 |
| Oyugis | city | Nyanza Province | Kenya | -0.5 | 34.7166667 | 4658 | 49096 |
| Ozi | city | Coast Province | Kenya | -2.5191667 | 40.4611111 | 3 | 390 |
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