| Gilbert to Cockermouth | 5,030.73 mi (8,096.18 km) |
| Gilbert to Colchester | 5,285.43 mi (8,506.07 km) |
| Gilbert to Coleford | 5,168.49 mi (8,317.87 km) |
| Gilbert to Colne | 5,101.70 mi (8,210.40 km) |
| Gilbert to Colwyn Bay | 5,072.24 mi (8,162.98 km) |
| Gilbert to Congleton | 5,127.79 mi (8,252.38 km) |
| Gilbert to Conisbrough | 5,148.42 mi (8,285.59 km) |
| Gilbert to Connahs Quay | 5,097.01 mi (8,202.85 km) |
| Gilbert to Consett | 5,073.76 mi (8,165.42 km) |
| Gilbert to Conwy | 5,068.17 mi (8,156.43 km) |
| Gilbert to Cookstown | 4,917.46 mi (7,913.89 km) |
| Gilbert to Corby | 5,206.36 mi (8,378.83 km) |
| Gilbert to Corfe Mullen | 5,230.45 mi (8,417.59 km) |
| Gilbert to Corsham | 5,197.84 mi (8,365.11 km) |
| Gilbert to Coseley | 5,156.72 mi (8,298.94 km) |
