| Isernia to Bois-Colombes | 769.36 mi (1,238.16 km) |
| Isernia to Bois-d'Arcy | 773.34 mi (1,244.57 km) |
| Isernia to Bois-Guillaume | 833.76 mi (1,341.81 km) |
| Isernia to Boissy-Saint-Leger | 753.66 mi (1,212.90 km) |
| Isernia to Bolbec | 861.56 mi (1,386.55 km) |
| Isernia to Bollene | 514.07 mi (827.32 km) |
| Isernia to Bondoufle | 752.84 mi (1,211.58 km) |
| Isernia to Bondues | 822.71 mi (1,324.02 km) |
| Isernia to Bondy | 760.93 mi (1,224.60 km) |
| Isernia to Bonneuil-sur-Marne | 755.45 mi (1,215.79 km) |
| Isernia to Bonneville | 497.84 mi (801.20 km) |
| Isernia to Bordeaux | 777.68 mi (1,251.55 km) |
| Isernia to Borgo | 255.34 mi (410.93 km) |
| Isernia to Bouc-Bel-Air | 466.96 mi (751.50 km) |
| Isernia to Boucau | 809.97 mi (1,303.52 km) |
