| Castel San Giorgio to Colchester | 1,007.63 mi (1,621.62 km) |
| Castel San Giorgio to Coleford | 1,118.16 mi (1,799.51 km) |
| Castel San Giorgio to Colne | 1,194.07 mi (1,921.67 km) |
| Castel San Giorgio to Colwyn Bay | 1,216.82 mi (1,958.29 km) |
| Castel San Giorgio to Congleton | 1,163.67 mi (1,872.75 km) |
| Castel San Giorgio to Conisbrough | 1,147.91 mi (1,847.39 km) |
| Castel San Giorgio to Connahs Quay | 1,192.90 mi (1,919.78 km) |
| Castel San Giorgio to Consett | 1,231.57 mi (1,982.03 km) |
| Castel San Giorgio to Conwy | 1,220.65 mi (1,964.45 km) |
| Castel San Giorgio to Cookstown | 1,372.06 mi (2,208.11 km) |
| Castel San Giorgio to Corby | 1,085.38 mi (1,746.75 km) |
| Castel San Giorgio to Corfe Mullen | 1,056.37 mi (1,700.06 km) |
| Castel San Giorgio to Corsham | 1,088.70 mi (1,752.09 km) |
| Castel San Giorgio to Coseley | 1,132.28 mi (1,822.23 km) |
| Castel San Giorgio to Cosham | 1,025.41 mi (1,650.24 km) |
