| Castro Daire to Bagnolet | 746.98 mi (1,202.15 km) |
| Castro Daire to Bagnols-sur-Ceze | 676.90 mi (1,089.37 km) |
| Castro Daire to Bailleul | 850.14 mi (1,368.17 km) |
| Castro Daire to Balma | 517.05 mi (832.11 km) |
| Castro Daire to Bar-le-Duc | 839.25 mi (1,350.64 km) |
| Castro Daire to Barentin | 736.31 mi (1,184.98 km) |
| Castro Daire to Basse-Goulaine | 541.37 mi (871.25 km) |
| Castro Daire to Bastia | 902.34 mi (1,452.18 km) |
| Castro Daire to Bayeux | 677.14 mi (1,089.75 km) |
| Castro Daire to Bayonne | 375.54 mi (604.37 km) |
| Castro Daire to Beaucaire | 672.05 mi (1,081.57 km) |
| Castro Daire to Beauchamp | 746.54 mi (1,201.44 km) |
| Castro Daire to Beaumont | 646.42 mi (1,040.31 km) |
| Castro Daire to Beaumont-sur-Oise | 755.90 mi (1,216.51 km) |
| Castro Daire to Beaune | 761.81 mi (1,226.02 km) |
