| Cal to Colchester | 1,670.80 mi (2,688.89 km) |
| Cal to Coleford | 1,808.33 mi (2,910.22 km) |
| Cal to Colne | 1,842.57 mi (2,965.33 km) |
| Cal to Colwyn Bay | 1,886.07 mi (3,035.34 km) |
| Cal to Congleton | 1,825.68 mi (2,938.15 km) |
| Cal to Conisbrough | 1,796.58 mi (2,891.31 km) |
| Cal to Connahs Quay | 1,859.45 mi (2,992.50 km) |
| Cal to Consett | 1,858.34 mi (2,990.72 km) |
| Cal to Conwy | 1,890.87 mi (3,043.06 km) |
| Cal to Cookstown | 2,034.26 mi (3,273.83 km) |
| Cal to Corby | 1,749.45 mi (2,815.48 km) |
| Cal to Corfe Mullen | 1,761.65 mi (2,835.10 km) |
| Cal to Corsham | 1,782.86 mi (2,869.23 km) |
| Cal to Coseley | 1,804.98 mi (2,904.84 km) |
| Cal to Cosham | 1,723.76 mi (2,774.12 km) |
