Airports
| Airport Name | Airport Code | Country |
|---|---|---|
| Useless Loop | USL | Australia |
| Ubatuba | UBT | Brazil |
| Uberaba | UBA | Brazil |
| Una | UNA | Brazil |
| Usiminas | IPN | Brazil |
| Uranium City | YBE | Canada |
| Umiujaq | YUD | Canada |
| Ulanhot | HLH | China |
| Urumqi | URC | China |
| Unguia | UNC | Colombia |
| Uribe | URI | Colombia |
| Urrao | URR | Colombia |
| Upala | UPL | Costa Rica |
| Ulemiste | TLL | Estonia |
| Utti | UTI | Finland |
| Ua Pou | UAP | French Polynesia |
| Ua Huka | UAH | French Polynesia |
| Uummannaq | UMD | Greenland |
| Uaxactun | UAX | Guatemala |
| Utila | UII | Honduras |