| Seclin to Burntwood | 258.45 mi (415.94 km) |
| Seclin to Burscough | 326.22 mi (525.00 km) |
| Seclin to Burslem | 281.67 mi (453.31 km) |
| Seclin to Burton upon Trent | 253.32 mi (407.68 km) |
| Seclin to Burtonwood | 313.33 mi (504.25 km) |
| Seclin to Bury | 308.79 mi (496.96 km) |
| Seclin to Bury Saint Edmunds | 153.96 mi (247.77 km) |
| Seclin to Bushey | 165.37 mi (266.14 km) |
| Seclin to Buxton | 281.72 mi (453.39 km) |
| Seclin to Caerdydd | 277.38 mi (446.40 km) |
| Seclin to Caerfyrddin | 330.42 mi (531.76 km) |
| Seclin to Caernarfon | 359.13 mi (577.96 km) |
| Seclin to Caerphilly | 280.35 mi (451.19 km) |
| Seclin to Caister-on-Sea | 155.57 mi (250.36 km) |
| Seclin to Caldicot | 260.95 mi (419.95 km) |
