| Signal Hill to Cockermouth | 5,209.17 mi (8,383.35 km) |
| Signal Hill to Colchester | 5,467.38 mi (8,798.90 km) |
| Signal Hill to Coleford | 5,358.71 mi (8,624.01 km) |
| Signal Hill to Colne | 5,281.49 mi (8,499.73 km) |
| Signal Hill to Colwyn Bay | 5,257.84 mi (8,461.67 km) |
| Signal Hill to Congleton | 5,310.88 mi (8,547.03 km) |
| Signal Hill to Conisbrough | 5,327.93 mi (8,574.48 km) |
| Signal Hill to Connahs Quay | 5,281.61 mi (8,499.93 km) |
| Signal Hill to Consett | 5,248.16 mi (8,446.10 km) |
| Signal Hill to Conwy | 5,254.08 mi (8,455.63 km) |
| Signal Hill to Cookstown | 5,102.60 mi (8,211.84 km) |
| Signal Hill to Corby | 5,389.25 mi (8,673.16 km) |
| Signal Hill to Corfe Mullen | 5,423.97 mi (8,729.03 km) |
| Signal Hill to Corsham | 5,388.74 mi (8,672.34 km) |
| Signal Hill to Coseley | 5,342.34 mi (8,597.66 km) |
