| Castricum to Turkoglu | 1,865.89 mi (3,002.85 km) |
| Castricum to Tut | 1,888.33 mi (3,038.97 km) |
| Castricum to Tuzla | 1,410.20 mi (2,269.50 km) |
| Castricum to Tuzluca | 2,020.20 mi (3,251.20 km) |
| Castricum to Ula | 1,565.56 mi (2,519.53 km) |
| Castricum to Ulas | 1,773.00 mi (2,853.37 km) |
| Castricum to Ulubey | 1,741.25 mi (2,802.27 km) |
| Castricum to Ulubey | 1,528.00 mi (2,459.07 km) |
| Castricum to Uludere | 2,103.27 mi (3,384.89 km) |
| Castricum to Ulukisla | 1,766.47 mi (2,842.86 km) |
| Castricum to Ulus | 1,504.93 mi (2,421.96 km) |
| Castricum to Umurlu | 1,510.23 mi (2,430.48 km) |
| Castricum to Unye | 1,711.53 mi (2,754.44 km) |
| Castricum to Urgup | 1,730.46 mi (2,784.90 km) |
| Castricum to Urla | 1,443.18 mi (2,322.57 km) |
