| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| River Manor | city | Florida | United States | 28.03 | -82.41 | 22 | |
| River Masiyeyeda | city | Niger | Nigeria | 10.36 | 3.78 | 961 | 1662 |
| River Meadow | city | Utah | United States | 40.67 | -111.91 | 4242 | |
| River Mill | city | New Mexico | United States | 33.29 | -104.76 | 4189 | |
| River Mills | city | Maryland | United States | 39.28 | -76.81 | 298 | |
| River Mist On The Fox | city | Illinois | United States | 41.69 | -88.35 | 830 | |
| River Mobile Home Park | city | Washington | United States | 47.19 | -122.22 | 164 | |
| River Mogo | city | Niger | Nigeria | 10.76 | 4.38 | 830 | 4394 |
| River Mukatta Quarter | city | West Bank | 32.47 | 35.30 | 830 | 58610 |