| Castel Gandolfo to Bois-Colombes | 705.78 mi (1,135.85 km) |
| Castel Gandolfo to Bois-d'Arcy | 708.85 mi (1,140.78 km) |
| Castel Gandolfo to Bois-Guillaume | 770.05 mi (1,239.28 km) |
| Castel Gandolfo to Boissy-Saint-Leger | 689.93 mi (1,110.33 km) |
| Castel Gandolfo to Bolbec | 797.09 mi (1,282.80 km) |
| Castel Gandolfo to Bollene | 435.71 mi (701.20 km) |
| Castel Gandolfo to Bondoufle | 688.31 mi (1,107.72 km) |
| Castel Gandolfo to Bondues | 767.80 mi (1,235.65 km) |
| Castel Gandolfo to Bondy | 697.74 mi (1,122.90 km) |
| Castel Gandolfo to Bonneuil-sur-Marne | 691.77 mi (1,113.30 km) |
| Castel Gandolfo to Bonneville | 431.48 mi (694.41 km) |
| Castel Gandolfo to Bordeaux | 697.96 mi (1,123.26 km) |
| Castel Gandolfo to Borgo | 174.31 mi (280.53 km) |
| Castel Gandolfo to Bouc-Bel-Air | 386.38 mi (621.82 km) |
| Castel Gandolfo to Boucau | 728.15 mi (1,171.85 km) |
