| Welwyn Garden City to Bagnolet | 233.29 mi (375.44 km) |
| Welwyn Garden City to Bagnols-sur-Ceze | 572.81 mi (921.84 km) |
| Welwyn Garden City to Bailleul | 146.48 mi (235.74 km) |
| Welwyn Garden City to Balma | 571.68 mi (920.02 km) |
| Welwyn Garden City to Bar-le-Duc | 316.01 mi (508.56 km) |
| Welwyn Garden City to Barentin | 164.14 mi (264.16 km) |
| Welwyn Garden City to Basse-Goulaine | 322.28 mi (518.66 km) |
| Welwyn Garden City to Bastia | 773.39 mi (1,244.64 km) |
| Welwyn Garden City to Bayeux | 176.07 mi (283.36 km) |
| Welwyn Garden City to Bayonne | 577.68 mi (929.69 km) |
| Welwyn Garden City to Beaucaire | 596.18 mi (959.46 km) |
| Welwyn Garden City to Beauchamp | 219.59 mi (353.40 km) |
| Welwyn Garden City to Beaumont | 444.01 mi (714.56 km) |
| Welwyn Garden City to Beaumont-sur-Oise | 213.89 mi (344.22 km) |
| Welwyn Garden City to Beaune | 400.17 mi (644.02 km) |
