| Potenza to Bougival | 876.76 mi (1,411.01 km) |
| Potenza to Bouguenais | 975.03 mi (1,569.16 km) |
| Potenza to Boulogne-Billancourt | 871.80 mi (1,403.03 km) |
| Potenza to Boulogne-sur-Mer | 974.15 mi (1,567.74 km) |
| Potenza to Bourg-de-Peage | 623.18 mi (1,002.90 km) |
| Potenza to Bourg-en-Bresse | 654.58 mi (1,053.45 km) |
| Potenza to Bourg-la-Reine | 866.82 mi (1,395.02 km) |
| Potenza to Bourg-les-Valence | 627.39 mi (1,009.69 km) |
| Potenza to Bourges | 801.14 mi (1,289.31 km) |
| Potenza to Bourgoin-Jallieu | 630.89 mi (1,015.32 km) |
| Potenza to Bressuire | 916.82 mi (1,475.49 km) |
| Potenza to Brest | 1,129.40 mi (1,817.59 km) |
| Potenza to Bretigny-sur-Orge | 860.48 mi (1,384.81 km) |
| Potenza to Breuillet | 863.77 mi (1,390.10 km) |
| Potenza to Briancon | 549.81 mi (884.84 km) |
