| Houghton Regis to Turkeli | 1,761.82 mi (2,835.38 km) |
| Houghton Regis to Turkoglu | 2,061.60 mi (3,317.83 km) |
| Houghton Regis to Tut | 2,087.40 mi (3,359.35 km) |
| Houghton Regis to Tuzla | 1,599.44 mi (2,574.05 km) |
| Houghton Regis to Tuzluca | 2,233.25 mi (3,594.07 km) |
| Houghton Regis to Ula | 1,736.02 mi (2,793.86 km) |
| Houghton Regis to Ulas | 1,974.02 mi (3,176.88 km) |
| Houghton Regis to Ulubey | 1,948.43 mi (3,135.69 km) |
| Houghton Regis to Ulubey | 1,707.02 mi (2,747.18 km) |
| Houghton Regis to Uludere | 2,309.97 mi (3,717.54 km) |
| Houghton Regis to Ulukisla | 1,957.18 mi (3,149.77 km) |
| Houghton Regis to Ulus | 1,705.23 mi (2,744.31 km) |
| Houghton Regis to Umurlu | 1,682.22 mi (2,707.28 km) |
| Houghton Regis to Unye | 1,918.69 mi (3,087.83 km) |
| Houghton Regis to Urgup | 1,925.71 mi (3,099.13 km) |
