| Idanha-a-Nova to Bois-Colombes | 777.58 mi (1,251.39 km) |
| Idanha-a-Nova to Bois-d'Arcy | 764.51 mi (1,230.35 km) |
| Idanha-a-Nova to Bois-Guillaume | 776.09 mi (1,249.00 km) |
| Idanha-a-Nova to Boissy-Saint-Leger | 776.09 mi (1,249.00 km) |
| Idanha-a-Nova to Bolbec | 765.91 mi (1,232.61 km) |
| Idanha-a-Nova to Bollene | 683.38 mi (1,099.79 km) |
| Idanha-a-Nova to Bondoufle | 765.11 mi (1,231.33 km) |
| Idanha-a-Nova to Bondues | 896.49 mi (1,442.77 km) |
| Idanha-a-Nova to Bondy | 783.15 mi (1,260.35 km) |
| Idanha-a-Nova to Bonneuil-sur-Marne | 776.65 mi (1,249.90 km) |
| Idanha-a-Nova to Bonneville | 808.25 mi (1,300.76 km) |
| Idanha-a-Nova to Bordeaux | 480.34 mi (773.03 km) |
| Idanha-a-Nova to Borgo | 883.09 mi (1,421.20 km) |
| Idanha-a-Nova to Bouc-Bel-Air | 696.01 mi (1,120.12 km) |
| Idanha-a-Nova to Boucau | 387.05 mi (622.89 km) |
