| Donostia to Turkoglu | 2,065.87 mi (3,324.70 km) |
| Donostia to Tut | 2,108.08 mi (3,392.63 km) |
| Donostia to Tuzla | 1,604.26 mi (2,581.81 km) |
| Donostia to Tuzluca | 2,336.49 mi (3,760.22 km) |
| Donostia to Ula | 1,650.18 mi (2,655.70 km) |
| Donostia to Ulas | 2,011.61 mi (3,237.38 km) |
| Donostia to Ulubey | 2,024.11 mi (3,257.49 km) |
| Donostia to Ulubey | 1,658.03 mi (2,668.34 km) |
| Donostia to Uludere | 2,365.19 mi (3,806.41 km) |
| Donostia to Ulukisla | 1,942.59 mi (3,126.30 km) |
| Donostia to Ulus | 1,756.33 mi (2,826.54 km) |
| Donostia to Umurlu | 1,606.85 mi (2,585.98 km) |
| Donostia to Unye | 1,995.96 mi (3,212.19 km) |
| Donostia to Urgup | 1,935.44 mi (3,114.80 km) |
| Donostia to Urla | 1,533.96 mi (2,468.67 km) |
