| Castricum to Buharkent | 1,531.93 mi (2,465.40 km) |
| Castricum to Bulancak | 1,758.87 mi (2,830.63 km) |
| Castricum to Bulanik | 2,004.44 mi (3,225.84 km) |
| Castricum to Buldan | 1,530.77 mi (2,463.54 km) |
| Castricum to Bunyan | 1,757.32 mi (2,828.13 km) |
| Castricum to Burdur | 1,600.21 mi (2,575.30 km) |
| Castricum to Burhaniye | 1,388.32 mi (2,234.29 km) |
| Castricum to Bursa | 1,431.17 mi (2,303.24 km) |
| Castricum to Buyukcekmece | 1,373.11 mi (2,209.81 km) |
| Castricum to Buyukorhan | 1,447.45 mi (2,329.45 km) |
| Castricum to Buyukyoncali | 1,331.53 mi (2,142.89 km) |
| Castricum to Caglayancerit | 1,865.93 mi (3,002.92 km) |
| Castricum to Cal | 1,549.29 mi (2,493.34 km) |
| Castricum to Caldiran | 2,070.15 mi (3,331.59 km) |
| Castricum to Camardi | 1,771.76 mi (2,851.36 km) |
