| Sliven to Colchester | 1,341.21 mi (2,158.47 km) |
| Sliven to Coleford | 1,483.78 mi (2,387.91 km) |
| Sliven to Colne | 1,506.36 mi (2,424.25 km) |
| Sliven to Colwyn Bay | 1,554.24 mi (2,501.31 km) |
| Sliven to Congleton | 1,492.94 mi (2,402.65 km) |
| Sliven to Conisbrough | 1,461.11 mi (2,351.43 km) |
| Sliven to Connahs Quay | 1,527.33 mi (2,458.00 km) |
| Sliven to Consett | 1,517.43 mi (2,442.06 km) |
| Sliven to Conwy | 1,559.22 mi (2,509.32 km) |
| Sliven to Cookstown | 1,698.69 mi (2,733.78 km) |
| Sliven to Corby | 1,418.55 mi (2,282.94 km) |
| Sliven to Corfe Mullen | 1,443.06 mi (2,322.39 km) |
| Sliven to Corsham | 1,460.06 mi (2,349.74 km) |
| Sliven to Coseley | 1,475.38 mi (2,374.40 km) |
| Sliven to Cosham | 1,403.55 mi (2,258.79 km) |
