| Castelo Branco to Buharkent | 1,939.98 mi (3,122.09 km) |
| Castelo Branco to Bulancak | 2,380.64 mi (3,831.27 km) |
| Castelo Branco to Bulanik | 2,620.24 mi (4,216.87 km) |
| Castelo Branco to Buldan | 1,943.12 mi (3,127.14 km) |
| Castelo Branco to Bunyan | 2,295.18 mi (3,693.73 km) |
| Castelo Branco to Burdur | 2,025.47 mi (3,259.67 km) |
| Castelo Branco to Burhaniye | 1,821.14 mi (2,930.84 km) |
| Castelo Branco to Bursa | 1,920.84 mi (3,091.30 km) |
| Castelo Branco to Buyukcekmece | 1,886.04 mi (3,035.29 km) |
| Castelo Branco to Buyukorhan | 1,919.97 mi (3,089.89 km) |
| Castelo Branco to Buyukyoncali | 1,849.04 mi (2,975.74 km) |
| Castelo Branco to Caglayancerit | 2,391.46 mi (3,848.68 km) |
| Castelo Branco to Cal | 1,972.26 mi (3,174.04 km) |
| Castelo Branco to Caldiran | 2,703.39 mi (4,350.68 km) |
| Castelo Branco to Camardi | 2,269.48 mi (3,652.37 km) |
