| San Gwann to Colchester | 1,289.93 mi (2,075.94 km) |
| San Gwann to Coleford | 1,381.83 mi (2,223.84 km) |
| San Gwann to Colne | 1,475.86 mi (2,375.17 km) |
| San Gwann to Colwyn Bay | 1,488.11 mi (2,394.88 km) |
| San Gwann to Congleton | 1,440.37 mi (2,318.05 km) |
| San Gwann to Conisbrough | 1,431.23 mi (2,303.34 km) |
| San Gwann to Connahs Quay | 1,466.36 mi (2,359.87 km) |
| San Gwann to Consett | 1,521.01 mi (2,447.83 km) |
| San Gwann to Conwy | 1,491.31 mi (2,400.03 km) |
| San Gwann to Cookstown | 1,641.93 mi (2,642.42 km) |
| San Gwann to Corby | 1,364.05 mi (2,195.23 km) |
| San Gwann to Corfe Mullen | 1,313.39 mi (2,113.69 km) |
| San Gwann to Corsham | 1,351.23 mi (2,174.60 km) |
| San Gwann to Coseley | 1,404.89 mi (2,260.95 km) |
| San Gwann to Cosham | 1,288.21 mi (2,073.18 km) |
