| Guillena to Colchester | 1,047.98 mi (1,686.57 km) |
| Guillena to Coleford | 999.17 mi (1,608.01 km) |
| Guillena to Colne | 1,142.71 mi (1,839.01 km) |
| Guillena to Colwyn Bay | 1,094.48 mi (1,761.39 km) |
| Guillena to Congleton | 1,095.36 mi (1,762.81 km) |
| Guillena to Conisbrough | 1,125.57 mi (1,811.43 km) |
| Guillena to Connahs Quay | 1,093.15 mi (1,759.26 km) |
| Guillena to Consett | 1,212.82 mi (1,951.85 km) |
| Guillena to Conwy | 1,093.17 mi (1,759.29 km) |
| Guillena to Cookstown | 1,182.90 mi (1,903.69 km) |
| Guillena to Corby | 1,065.03 mi (1,714.00 km) |
| Guillena to Corfe Mullen | 935.80 mi (1,506.02 km) |
| Guillena to Corsham | 978.80 mi (1,575.23 km) |
| Guillena to Coseley | 1,055.06 mi (1,697.96 km) |
| Guillena to Cosham | 951.58 mi (1,531.42 km) |
