| Boulder to Urla | 6,231.62 mi (10,028.82 km) |
| Boulder to Usak | 6,290.71 mi (10,123.92 km) |
| Boulder to Uzumlu | 6,501.28 mi (10,462.80 km) |
| Boulder to Uzunkopru | 6,062.03 mi (9,755.90 km) |
| Boulder to Vakfikebir | 6,408.59 mi (10,313.63 km) |
| Boulder to Van | 6,660.50 mi (10,719.04 km) |
| Boulder to Varto | 6,575.13 mi (10,581.65 km) |
| Boulder to Viransehir | 6,656.53 mi (10,712.65 km) |
| Boulder to Yaglidere | 6,397.46 mi (10,295.71 km) |
| Boulder to Yahsihan | 6,335.61 mi (10,196.18 km) |
| Boulder to Yahyali | 6,491.44 mi (10,446.96 km) |
| Boulder to Yakacik | 6,595.79 mi (10,614.90 km) |
| Boulder to Yakakent | 6,283.08 mi (10,111.64 km) |
| Boulder to Yakinca | 6,553.33 mi (10,546.57 km) |
| Boulder to Yalova | 6,172.42 mi (9,933.55 km) |
