| Welwyn Garden City to Brie-Comte-Robert | 248.22 mi (399.47 km) |
| Welwyn Garden City to Brignais | 479.67 mi (771.96 km) |
| Welwyn Garden City to Brignoles | 648.87 mi (1,044.26 km) |
| Welwyn Garden City to Brive-la-Gaillarde | 466.04 mi (750.01 km) |
| Welwyn Garden City to Bron | 479.08 mi (771.01 km) |
| Welwyn Garden City to Bruay-sur-l'Escaut | 188.88 mi (303.97 km) |
| Welwyn Garden City to Bruges | 478.75 mi (770.47 km) |
| Welwyn Garden City to Brumath | 408.19 mi (656.92 km) |
| Welwyn Garden City to Brunoy | 245.57 mi (395.21 km) |
| Welwyn Garden City to Bruz | 270.24 mi (434.90 km) |
| Welwyn Garden City to Bry-sur-Marne | 237.28 mi (381.86 km) |
| Welwyn Garden City to Bully-les-Mines | 157.76 mi (253.89 km) |
| Welwyn Garden City to Bures-sur-Yvette | 238.67 mi (384.11 km) |
| Welwyn Garden City to Bussy-Saint-Georges | 241.22 mi (388.21 km) |
| Welwyn Garden City to Buxerolles | 360.72 mi (580.52 km) |
