| Seal Beach to Clacton-on-Sea | 5,479.45 mi (8,818.33 km) |
| Seal Beach to Clay Cross | 5,336.02 mi (8,587.50 km) |
| Seal Beach to Clayton | 5,295.87 mi (8,522.88 km) |
| Seal Beach to Clayton le Moors | 5,278.28 mi (8,494.57 km) |
| Seal Beach to Cleckheaton | 5,301.36 mi (8,531.72 km) |
| Seal Beach to Cleethorpes | 5,361.83 mi (8,629.03 km) |
| Seal Beach to Clevedon | 5,366.03 mi (8,635.80 km) |
| Seal Beach to Clifton | 5,355.12 mi (8,618.23 km) |
| Seal Beach to Clifton | 5,309.65 mi (8,545.06 km) |
| Seal Beach to Cliftonville | 5,506.50 mi (8,861.85 km) |
| Seal Beach to Clitheroe | 5,273.81 mi (8,487.38 km) |
| Seal Beach to Clydebank | 5,123.97 mi (8,246.23 km) |
| Seal Beach to Coalville | 5,357.11 mi (8,621.43 km) |
| Seal Beach to Coatbridge | 5,136.99 mi (8,267.19 km) |
| Seal Beach to Cobham | 5,451.08 mi (8,772.67 km) |
