| Castro Daire to Beausoleil | 807.42 mi (1,299.42 km) |
| Castro Daire to Beauvais | 764.17 mi (1,229.82 km) |
| Castro Daire to Begles | 461.07 mi (742.02 km) |
| Castro Daire to Belfort | 864.86 mi (1,391.86 km) |
| Castro Daire to Bellegarde-sur-Valserine | 776.29 mi (1,249.32 km) |
| Castro Daire to Bellerive-sur-Allier | 671.83 mi (1,081.21 km) |
| Castro Daire to Bellevue | 745.98 mi (1,200.54 km) |
| Castro Daire to Belley | 761.14 mi (1,224.94 km) |
| Castro Daire to Berck-sur-Mer | 800.62 mi (1,288.47 km) |
| Castro Daire to Bergerac | 505.52 mi (813.56 km) |
| Castro Daire to Bernay | 701.81 mi (1,129.45 km) |
| Castro Daire to Berre-l'Etang | 693.10 mi (1,115.43 km) |
| Castro Daire to Besancon | 817.73 mi (1,316.01 km) |
| Castro Daire to Bethune | 836.68 mi (1,346.51 km) |
| Castro Daire to Betton | 590.39 mi (950.14 km) |
