| Cities | Distance |
|---|---|
| Seaham to Cromer | 170.19 mi (273.90 km) |
| Seaham to Crosby | 115.90 mi (186.52 km) |
| Seaham to Crowborough | 268.52 mi (432.14 km) |
| Seaham to Croxley Green | 223.69 mi (360.00 km) |
| Seaham to Croydon | 244.93 mi (394.18 km) |
| Seaham to Cudworth | 87.22 mi (140.37 km) |
| Seaham to Culcheth | 107.18 mi (172.49 km) |
| Seaham to Cullercoats | 13.84 mi (22.27 km) |
| Seaham to Cumbernauld | 129.12 mi (207.80 km) |
| Seaham to Cumnock | 122.96 mi (197.88 km) |
| Seaham to Cupar | 121.28 mi (195.18 km) |
| Seaham to Cwmbran | 230.89 mi (371.58 km) |
| Seaham to Dagenham | 236.13 mi (380.01 km) |
| Seaham to Dalkeith | 99.36 mi (159.91 km) |
| Seaham to Darfield | 89.97 mi (144.80 km) |