| Seal Beach to Cockermouth | 5,208.99 mi (8,383.05 km) |
| Seal Beach to Colchester | 5,467.15 mi (8,798.52 km) |
| Seal Beach to Coleford | 5,358.30 mi (8,623.35 km) |
| Seal Beach to Colne | 5,281.28 mi (8,499.40 km) |
| Seal Beach to Colwyn Bay | 5,257.52 mi (8,461.15 km) |
| Seal Beach to Congleton | 5,310.61 mi (8,546.60 km) |
| Seal Beach to Conisbrough | 5,327.74 mi (8,574.17 km) |
| Seal Beach to Connahs Quay | 5,281.31 mi (8,499.45 km) |
| Seal Beach to Consett | 5,248.06 mi (8,445.94 km) |
| Seal Beach to Conwy | 5,253.75 mi (8,455.10 km) |
| Seal Beach to Cookstown | 5,102.28 mi (8,211.32 km) |
| Seal Beach to Corby | 5,388.99 mi (8,672.74 km) |
| Seal Beach to Corfe Mullen | 5,423.49 mi (8,728.27 km) |
| Seal Beach to Corsham | 5,388.32 mi (8,671.67 km) |
| Seal Beach to Coseley | 5,342.02 mi (8,597.15 km) |
