| Castel Gandolfo to Beausoleil | 298.88 mi (481.01 km) |
| Castel Gandolfo to Beauvais | 735.11 mi (1,183.04 km) |
| Castel Gandolfo to Begles | 695.93 mi (1,119.99 km) |
| Castel Gandolfo to Belfort | 496.67 mi (799.32 km) |
| Castel Gandolfo to Bellegarde-sur-Valserine | 453.74 mi (730.23 km) |
| Castel Gandolfo to Bellerive-sur-Allier | 549.80 mi (884.81 km) |
| Castel Gandolfo to Bellevue | 699.67 mi (1,126.01 km) |
| Castel Gandolfo to Belley | 444.28 mi (715.00 km) |
| Castel Gandolfo to Berck-sur-Mer | 797.73 mi (1,283.82 km) |
| Castel Gandolfo to Bergerac | 647.76 mi (1,042.48 km) |
| Castel Gandolfo to Bernay | 772.34 mi (1,242.95 km) |
| Castel Gandolfo to Berre-l'Etang | 398.69 mi (641.63 km) |
| Castel Gandolfo to Besancon | 500.51 mi (805.49 km) |
| Castel Gandolfo to Bethune | 771.88 mi (1,242.22 km) |
| Castel Gandolfo to Betton | 826.33 mi (1,329.85 km) |
