| Karnobat to Colchester | 1,369.67 mi (2,204.27 km) |
| Karnobat to Coleford | 1,512.80 mi (2,434.61 km) |
| Karnobat to Colne | 1,533.69 mi (2,468.23 km) |
| Karnobat to Colwyn Bay | 1,582.25 mi (2,546.38 km) |
| Karnobat to Congleton | 1,520.84 mi (2,447.56 km) |
| Karnobat to Conisbrough | 1,488.59 mi (2,395.66 km) |
| Karnobat to Connahs Quay | 1,555.31 mi (2,503.02 km) |
| Karnobat to Consett | 1,543.85 mi (2,484.58 km) |
| Karnobat to Conwy | 1,587.25 mi (2,554.43 km) |
| Karnobat to Cookstown | 1,726.04 mi (2,777.79 km) |
| Karnobat to Corby | 1,446.77 mi (2,328.36 km) |
| Karnobat to Corfe Mullen | 1,472.76 mi (2,370.18 km) |
| Karnobat to Corsham | 1,489.30 mi (2,396.79 km) |
| Karnobat to Coseley | 1,503.76 mi (2,420.06 km) |
| Karnobat to Cosham | 1,433.10 mi (2,306.36 km) |
