| Southborough to Cockermouth | 285.17 mi (458.94 km) |
| Southborough to Colchester | 57.52 mi (92.57 km) |
| Southborough to Coleford | 131.44 mi (211.52 km) |
| Southborough to Colne | 212.63 mi (342.20 km) |
| Southborough to Colwyn Bay | 223.16 mi (359.14 km) |
| Southborough to Congleton | 173.78 mi (279.67 km) |
| Southborough to Conisbrough | 172.18 mi (277.09 km) |
| Southborough to Connahs Quay | 200.02 mi (321.91 km) |
| Southborough to Consett | 269.41 mi (433.57 km) |
| Southborough to Conwy | 226.89 mi (365.15 km) |
| Southborough to Cookstown | 378.38 mi (608.94 km) |
| Southborough to Corby | 100.60 mi (161.91 km) |
| Southborough to Corfe Mullen | 102.91 mi (165.62 km) |
| Southborough to Corsham | 107.53 mi (173.06 km) |
| Southborough to Coseley | 138.80 mi (223.37 km) |
