| Port Wentworth to Bougival | 4,299.94 mi (6,920.08 km) |
| Port Wentworth to Bouguenais | 4,169.10 mi (6,709.52 km) |
| Port Wentworth to Boulogne-Billancourt | 4,304.97 mi (6,928.17 km) |
| Port Wentworth to Boulogne-sur-Mer | 4,238.81 mi (6,821.70 km) |
| Port Wentworth to Bourg-de-Peage | 4,519.41 mi (7,273.29 km) |
| Port Wentworth to Bourg-en-Bresse | 4,497.78 mi (7,238.47 km) |
| Port Wentworth to Bourg-la-Reine | 4,309.38 mi (6,935.27 km) |
| Port Wentworth to Bourg-les-Valence | 4,514.70 mi (7,265.72 km) |
| Port Wentworth to Bourges | 4,350.71 mi (7,001.79 km) |
| Port Wentworth to Bourgoin-Jallieu | 4,515.48 mi (7,266.97 km) |
| Port Wentworth to Bressuire | 4,226.98 mi (6,802.66 km) |
| Port Wentworth to Brest | 4,018.43 mi (6,467.03 km) |
| Port Wentworth to Bretigny-sur-Orge | 4,312.65 mi (6,940.54 km) |
| Port Wentworth to Breuillet | 4,307.81 mi (6,932.75 km) |
| Port Wentworth to Briancon | 4,594.83 mi (7,394.67 km) |
