| Isernia to Brie-Comte-Robert | 747.57 mi (1,203.09 km) |
| Isernia to Brignais | 550.90 mi (886.59 km) |
| Isernia to Brignoles | 434.58 mi (699.39 km) |
| Isernia to Brive-la-Gaillarde | 682.87 mi (1,098.97 km) |
| Isernia to Bron | 546.19 mi (879.01 km) |
| Isernia to Bruay-sur-l'Escaut | 794.03 mi (1,277.86 km) |
| Isernia to Bruges | 779.83 mi (1,255.02 km) |
| Isernia to Brumath | 585.90 mi (942.91 km) |
| Isernia to Brunoy | 751.70 mi (1,209.75 km) |
| Isernia to Bruz | 897.92 mi (1,445.07 km) |
| Isernia to Bry-sur-Marne | 756.96 mi (1,218.20 km) |
| Isernia to Bully-les-Mines | 821.65 mi (1,322.32 km) |
| Isernia to Bures-sur-Yvette | 764.33 mi (1,230.08 km) |
| Isernia to Bussy-Saint-Georges | 750.62 mi (1,208.01 km) |
| Isernia to Buxerolles | 769.31 mi (1,238.08 km) |
