| Welwyn Garden City to Beuvry | 152.93 mi (246.12 km) |
| Welwyn Garden City to Beziers | 605.51 mi (974.47 km) |
| Welwyn Garden City to Bezons | 225.56 mi (363.00 km) |
| Welwyn Garden City to Biarritz | 578.76 mi (931.43 km) |
| Welwyn Garden City to Biganos | 496.16 mi (798.49 km) |
| Welwyn Garden City to Billere | 587.63 mi (945.69 km) |
| Welwyn Garden City to Biot | 658.07 mi (1,059.06 km) |
| Welwyn Garden City to Biscarrosse | 514.14 mi (827.42 km) |
| Welwyn Garden City to Bischheim | 414.47 mi (667.03 km) |
| Welwyn Garden City to Bischwiller | 412.47 mi (663.81 km) |
| Welwyn Garden City to Blagnac | 569.22 mi (916.07 km) |
| Welwyn Garden City to Blain | 307.30 mi (494.55 km) |
| Welwyn Garden City to Blanquefort | 476.87 mi (767.45 km) |
| Welwyn Garden City to Blois | 298.86 mi (480.97 km) |
| Welwyn Garden City to Bobigny | 231.26 mi (372.17 km) |
