| Sierpc to Bougival | 810.55 mi (1,304.46 km) |
| Sierpc to Bouguenais | 1,018.94 mi (1,639.83 km) |
| Sierpc to Boulogne-Billancourt | 807.36 mi (1,299.31 km) |
| Sierpc to Boulogne-sur-Mer | 783.31 mi (1,260.61 km) |
| Sierpc to Bourg-de-Peage | 853.68 mi (1,373.86 km) |
| Sierpc to Bourg-en-Bresse | 792.54 mi (1,275.47 km) |
| Sierpc to Bourg-la-Reine | 806.09 mi (1,297.28 km) |
| Sierpc to Bourg-les-Valence | 863.44 mi (1,389.57 km) |
| Sierpc to Bourges | 862.54 mi (1,388.13 km) |
| Sierpc to Bourgoin-Jallieu | 819.58 mi (1,318.99 km) |
| Sierpc to Bressuire | 985.64 mi (1,586.23 km) |
| Sierpc to Brest | 1,097.22 mi (1,765.81 km) |
| Sierpc to Bretigny-sur-Orge | 811.83 mi (1,306.51 km) |
| Sierpc to Breuillet | 818.72 mi (1,317.61 km) |
| Sierpc to Briancon | 807.10 mi (1,298.90 km) |
