| Hemel Hempstead to Bougival | 230.30 mi (370.64 km) |
| Hemel Hempstead to Bouguenais | 320.30 mi (515.48 km) |
| Hemel Hempstead to Boulogne-Billancourt | 234.36 mi (377.16 km) |
| Hemel Hempstead to Boulogne-sur-Mer | 114.68 mi (184.56 km) |
| Hemel Hempstead to Bourg-de-Peage | 528.19 mi (850.03 km) |
| Hemel Hempstead to Bourg-en-Bresse | 461.92 mi (743.39 km) |
| Hemel Hempstead to Bourg-la-Reine | 239.37 mi (385.23 km) |
| Hemel Hempstead to Bourg-les-Valence | 530.46 mi (853.69 km) |
| Hemel Hempstead to Bourges | 347.24 mi (558.82 km) |
| Hemel Hempstead to Bourgoin-Jallieu | 499.84 mi (804.41 km) |
| Hemel Hempstead to Bressuire | 339.43 mi (546.26 km) |
| Hemel Hempstead to Brest | 292.77 mi (471.17 km) |
| Hemel Hempstead to Bretigny-sur-Orge | 249.32 mi (401.23 km) |
| Hemel Hempstead to Breuillet | 249.23 mi (401.10 km) |
| Hemel Hempstead to Briancon | 574.70 mi (924.89 km) |
