| Halfway to Bougival | 3,822.06 mi (6,151.01 km) |
| Halfway to Bouguenais | 3,705.26 mi (5,963.04 km) |
| Halfway to Boulogne-Billancourt | 3,827.11 mi (6,159.14 km) |
| Halfway to Boulogne-sur-Mer | 3,752.23 mi (6,038.63 km) |
| Halfway to Bourg-de-Peage | 4,057.20 mi (6,529.43 km) |
| Halfway to Bourg-en-Bresse | 4,029.19 mi (6,484.35 km) |
| Halfway to Bourg-la-Reine | 3,831.71 mi (6,166.55 km) |
| Halfway to Bourg-les-Valence | 4,053.23 mi (6,523.04 km) |
| Halfway to Bourges | 3,881.77 mi (6,247.10 km) |
| Halfway to Bourgoin-Jallieu | 4,050.02 mi (6,517.89 km) |
| Halfway to Bressuire | 3,763.48 mi (6,056.74 km) |
| Halfway to Brest | 3,551.19 mi (5,715.09 km) |
| Halfway to Bretigny-sur-Orge | 3,835.86 mi (6,173.22 km) |
| Halfway to Breuillet | 3,831.42 mi (6,166.07 km) |
| Halfway to Briancon | 4,130.68 mi (6,647.68 km) |
