| Aosta to Bougival | 324.94 mi (522.93 km) |
| Aosta to Bouguenais | 436.73 mi (702.85 km) |
| Aosta to Boulogne-Billancourt | 320.08 mi (515.11 km) |
| Aosta to Boulogne-sur-Mer | 433.19 mi (697.15 km) |
| Aosta to Bourg-de-Peage | 120.03 mi (193.17 km) |
| Aosta to Bourg-en-Bresse | 105.43 mi (169.68 km) |
| Aosta to Bourg-la-Reine | 315.02 mi (506.98 km) |
| Aosta to Bourg-les-Valence | 129.52 mi (208.44 km) |
| Aosta to Bourges | 252.25 mi (405.96 km) |
| Aosta to Bourgoin-Jallieu | 99.18 mi (159.62 km) |
| Aosta to Bressuire | 380.27 mi (611.99 km) |
| Aosta to Brest | 584.53 mi (940.71 km) |
| Aosta to Bretigny-sur-Orge | 308.00 mi (495.68 km) |
| Aosta to Breuillet | 310.95 mi (500.42 km) |
| Aosta to Briancon | 66.67 mi (107.30 km) |
