| Kardzhali to Colchester | 1,347.02 mi (2,167.82 km) |
| Kardzhali to Coleford | 1,486.31 mi (2,391.99 km) |
| Kardzhali to Colne | 1,517.26 mi (2,441.79 km) |
| Kardzhali to Colwyn Bay | 1,561.82 mi (2,513.51 km) |
| Kardzhali to Congleton | 1,501.16 mi (2,415.88 km) |
| Kardzhali to Conisbrough | 1,471.40 mi (2,367.98 km) |
| Kardzhali to Connahs Quay | 1,535.11 mi (2,470.52 km) |
| Kardzhali to Consett | 1,532.32 mi (2,466.03 km) |
| Kardzhali to Conwy | 1,566.67 mi (2,521.31 km) |
| Kardzhali to Cookstown | 1,709.16 mi (2,750.63 km) |
| Kardzhali to Corby | 1,425.37 mi (2,293.91 km) |
| Kardzhali to Corfe Mullen | 1,441.84 mi (2,320.42 km) |
| Kardzhali to Corsham | 1,461.45 mi (2,351.97 km) |
| Kardzhali to Coseley | 1,481.32 mi (2,383.95 km) |
| Kardzhali to Cosham | 1,403.26 mi (2,258.32 km) |
