| Hornchurch to Bougival | 204.53 mi (329.16 km) |
| Hornchurch to Bouguenais | 313.59 mi (504.67 km) |
| Hornchurch to Boulogne-Billancourt | 208.31 mi (335.24 km) |
| Hornchurch to Boulogne-sur-Mer | 83.56 mi (134.48 km) |
| Hornchurch to Bourg-de-Peage | 502.02 mi (807.92 km) |
| Hornchurch to Bourg-en-Bresse | 434.08 mi (698.59 km) |
| Hornchurch to Bourg-la-Reine | 213.21 mi (343.13 km) |
| Hornchurch to Bourg-les-Valence | 504.64 mi (812.15 km) |
| Hornchurch to Bourges | 324.23 mi (521.79 km) |
| Hornchurch to Bourgoin-Jallieu | 472.70 mi (760.74 km) |
| Hornchurch to Bressuire | 327.41 mi (526.91 km) |
| Hornchurch to Brest | 302.43 mi (486.72 km) |
| Hornchurch to Bretigny-sur-Orge | 223.62 mi (359.89 km) |
| Hornchurch to Breuillet | 224.12 mi (360.68 km) |
| Hornchurch to Briancon | 546.50 mi (879.50 km) |
