| Cities | Distance |
|---|---|
| Seclin to Colchester | 130.69 mi (210.33 km) |
| Seclin to Coleford | 259.13 mi (417.04 km) |
| Seclin to Colne | 317.32 mi (510.67 km) |
| Seclin to Colwyn Bay | 343.47 mi (552.76 km) |
| Seclin to Congleton | 287.52 mi (462.72 km) |
| Seclin to Conisbrough | 271.50 mi (436.94 km) |
| Seclin to Connahs Quay | 318.27 mi (512.21 km) |
| Seclin to Consett | 360.00 mi (579.37 km) |
| Seclin to Conwy | 347.75 mi (559.65 km) |
| Seclin to Cookstown | 497.77 mi (801.08 km) |
| Seclin to Corby | 208.96 mi (336.29 km) |
| Seclin to Corfe Mullen | 221.54 mi (356.54 km) |
| Seclin to Corsham | 234.83 mi (377.92 km) |
| Seclin to Coseley | 259.48 mi (417.59 km) |
| Seclin to Cosham | 180.37 mi (290.27 km) |