| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ust-Main | city | Chukotskiy Avtonomnyy Okrug | Russia | 65.10 | 172.30 | 101 | 0 |
| Ust-Maiskoe | city | Sakha (Yakutiya) | Russia | 60.42 | 134.54 | 830 | 0 |
| Ust-Maja | city | Sakha (Yakutiya) | Russia | 60.42 | 134.54 | 830 | 0 |
| Ust-Maloj | city | Irkutskaya Oblast' | Russia | 53.95 | 103.66 | 1669 | 0 |
| Ust-Manja | city | Khanty-Mansiyskiy Avtonomnyy Okrug-Yugra | Russia | 62.18 | 60.35 | 164 | 0 |
| Ust-Mantsjazj | city | Sverdlovskaya Oblast' | Russia | 56.55 | 58.17 | 830 | 842 |
| Ust-Matur | city | Khakasiya | Russia | 52.56 | 89.56 | 1669 | 149 |
| Ust-Maya | city | Sakha (Yakutiya) | Russia | 60.42 | 134.54 | 830 | 0 |
| Ust-Maya Airport | airport | 60.36 | 134.43 | 561 | 0 | ||
| Ust-Mekhrenga | city | Arkhangel'skaya Oblast' | Russia | 63.26 | 41.37 | 59 | 149 |
| Ust-Metsjetka | city | Rostovskaya Oblast' | Russia | 48.97 | 41.15 | 232 | 751 |
| Ust-Miasskoje | city | Kurganskaya Oblast' | Russia | 56.04 | 64.48 | 242 | 698 |
| Ust-Mil | city | Sakha (Yakutiya) | Russia | 59.64 | 133.11 | 830 | 0 |
| Ust-Moloiskaya | city | Irkutskaya Oblast' | Russia | 53.95 | 103.66 | 1669 | 0 |
| Ust-Morzj | city | Arkhangel'skaya Oblast' | Russia | 63.04 | 42.31 | 108 | 149 |
| Ust-Mosikha | city | Altayskiy Kray | Russia | 53.26 | 82.02 | 830 | 675 |
| Ust-Mrasskij | city | Kemerovskaya Oblast' | Russia | 53.76 | 87.78 | 830 | 47516 |
| Ust-Muja | city | Buryatiya | Russia | 56.42 | 115.63 | 1669 | 0 |
| Ust-Mundujka | city | Krasnoyarskiy Kray | Russia | 66.68 | 88.19 | 177 | 0 |
| Ust-Muny | city | Altay | Russia | 51.72 | 85.76 | 1026 | 298 |
| Ust-Munzja | city | Kemerovskaya Oblast' | Russia | 52.65 | 87.48 | 1669 | 0 |
| Ust-Muta | city | Altay | Russia | 51.23 | 84.75 | 3349 | 149 |