| Downham Market to Bougival | 269.14 mi (433.14 km) |
| Downham Market to Bouguenais | 385.17 mi (619.87 km) |
| Downham Market to Boulogne-Billancourt | 272.41 mi (438.40 km) |
| Downham Market to Boulogne-sur-Mer | 139.68 mi (224.80 km) |
| Downham Market to Bourg-de-Peage | 563.57 mi (906.98 km) |
| Downham Market to Bourg-en-Bresse | 492.20 mi (792.13 km) |
| Downham Market to Bourg-la-Reine | 277.06 mi (445.89 km) |
| Downham Market to Bourg-les-Valence | 566.86 mi (912.27 km) |
| Downham Market to Bourges | 391.40 mi (629.89 km) |
| Downham Market to Bourgoin-Jallieu | 532.31 mi (856.66 km) |
| Downham Market to Bressuire | 399.90 mi (643.58 km) |
| Downham Market to Brest | 361.24 mi (581.35 km) |
| Downham Market to Bretigny-sur-Orge | 288.08 mi (463.62 km) |
| Downham Market to Breuillet | 289.44 mi (465.81 km) |
| Downham Market to Briancon | 603.04 mi (970.50 km) |
