| Seaham to Bougival | 438.59 mi (705.84 km) |
| Seaham to Bouguenais | 529.57 mi (852.26 km) |
| Seaham to Boulogne-Billancourt | 442.01 mi (711.35 km) |
| Seaham to Boulogne-sur-Mer | 309.82 mi (498.60 km) |
| Seaham to Bourg-de-Peage | 733.72 mi (1,180.81 km) |
| Seaham to Bourg-en-Bresse | 662.01 mi (1,065.41 km) |
| Seaham to Bourg-la-Reine | 446.74 mi (718.96 km) |
| Seaham to Bourg-les-Valence | 736.99 mi (1,186.08 km) |
| Seaham to Bourges | 559.78 mi (900.88 km) |
| Seaham to Bourgoin-Jallieu | 702.33 mi (1,130.30 km) |
| Seaham to Bressuire | 553.98 mi (891.55 km) |
| Seaham to Brest | 465.57 mi (749.26 km) |
| Seaham to Bretigny-sur-Orge | 457.61 mi (736.45 km) |
| Seaham to Breuillet | 458.67 mi (738.16 km) |
| Seaham to Briancon | 772.29 mi (1,242.89 km) |
