| San Martin de Valdeiglesias to Colchester | 835.43 mi (1,344.50 km) |
| San Martin de Valdeiglesias to Coleford | 794.08 mi (1,277.96 km) |
| San Martin de Valdeiglesias to Colne | 937.90 mi (1,509.40 km) |
| San Martin de Valdeiglesias to Colwyn Bay | 893.70 mi (1,438.28 km) |
| San Martin de Valdeiglesias to Congleton | 890.17 mi (1,432.59 km) |
| San Martin de Valdeiglesias to Conisbrough | 918.22 mi (1,477.73 km) |
| San Martin de Valdeiglesias to Connahs Quay | 890.36 mi (1,432.89 km) |
| San Martin de Valdeiglesias to Consett | 1,007.85 mi (1,621.98 km) |
| San Martin de Valdeiglesias to Conwy | 892.81 mi (1,436.84 km) |
| San Martin de Valdeiglesias to Cookstown | 992.76 mi (1,597.70 km) |
| San Martin de Valdeiglesias to Corby | 855.70 mi (1,377.12 km) |
| San Martin de Valdeiglesias to Corfe Mullen | 728.07 mi (1,171.72 km) |
| San Martin de Valdeiglesias to Corsham | 772.15 mi (1,242.66 km) |
| San Martin de Valdeiglesias to Coseley | 849.05 mi (1,366.42 km) |
| San Martin de Valdeiglesias to Cosham | 741.51 mi (1,193.35 km) |
