| Cities | Distance |
|---|---|
| Seaham to Cockermouth | 81.57 mi (131.27 km) |
| Seaham to Colchester | 223.69 mi (359.99 km) |
| Seaham to Coleford | 217.14 mi (349.46 km) |
| Seaham to Colne | 75.90 mi (122.14 km) |
| Seaham to Colwyn Bay | 143.60 mi (231.11 km) |
| Seaham to Congleton | 121.28 mi (195.19 km) |
| Seaham to Conisbrough | 94.15 mi (151.51 km) |
| Seaham to Connahs Quay | 131.96 mi (212.36 km) |
| Seaham to Consett | 19.51 mi (31.39 km) |
| Seaham to Conwy | 147.68 mi (237.67 km) |
| Seaham to Cookstown | 215.93 mi (347.50 km) |
| Seaham to Corby | 164.62 mi (264.92 km) |
| Seaham to Corfe Mullen | 282.62 mi (454.83 km) |
| Seaham to Corsham | 237.92 mi (382.89 km) |
| Seaham to Coseley | 161.11 mi (259.29 km) |