| San Marcos to Cockermouth | 5,216.68 mi (8,395.44 km) |
| San Marcos to Colchester | 5,474.27 mi (8,809.98 km) |
| San Marcos to Coleford | 5,363.65 mi (8,631.96 km) |
| San Marcos to Colne | 5,288.75 mi (8,511.41 km) |
| San Marcos to Colwyn Bay | 5,263.77 mi (8,471.22 km) |
| San Marcos to Congleton | 5,317.41 mi (8,557.55 km) |
| San Marcos to Conisbrough | 5,335.28 mi (8,586.31 km) |
| San Marcos to Connahs Quay | 5,287.79 mi (8,509.87 km) |
| San Marcos to Consett | 5,256.60 mi (8,459.68 km) |
| San Marcos to Conwy | 5,259.94 mi (8,465.06 km) |
| San Marcos to Cookstown | 5,108.54 mi (8,221.40 km) |
| San Marcos to Corby | 5,395.88 mi (8,683.83 km) |
| San Marcos to Corfe Mullen | 5,428.19 mi (8,735.82 km) |
| San Marcos to Corsham | 5,393.54 mi (8,680.07 km) |
| San Marcos to Coseley | 5,348.32 mi (8,607.29 km) |
