| Abbreviation | Definition |
|---|---|
| URM | Uriman, Venezuela |
| URMK | Kislovodsk, Russia |
| URML | Makhachkala, Russia |
| URMM | Mineralniye Vody, Russia |
| URMT | Stavropol, Russia |
| URO | Rouen, France |
| URR | Urrao, Colombia |
| URRM | Morozovsk, Russia |
| URRR | Rostov, Russia |
| URS | Kursk, Russia |
| URSS | Adler/Sochi, Russia |
| URT | Surat Thani, Thailand |
| URWA | Astrakhan, Russia |
| URWW | Volgograd (Stalingrad), Russia |
| URY | Gurayat, Saudi Arabia |
| URZ | Uruzgan, Afghanistan |
| USCC | Chelyabinsk, Russia |
| USCM | Magnitogorsk, Russia |
| USDA | Sabetta, Russia |
| USDD | Salekhard, Russia |