| Mechernich to Colchester | 264.01 mi (424.89 km) |
| Mechernich to Coleford | 409.26 mi (658.65 km) |
| Mechernich to Colne | 435.55 mi (700.95 km) |
| Mechernich to Colwyn Bay | 477.83 mi (768.99 km) |
| Mechernich to Congleton | 417.19 mi (671.40 km) |
| Mechernich to Conisbrough | 389.10 mi (626.19 km) |
| Mechernich to Connahs Quay | 451.09 mi (725.96 km) |
| Mechernich to Consett | 460.05 mi (740.38 km) |
| Mechernich to Conwy | 482.70 mi (776.83 km) |
| Mechernich to Cookstown | 626.20 mi (1,007.77 km) |
| Mechernich to Corby | 341.56 mi (549.68 km) |
| Mechernich to Corfe Mullen | 379.40 mi (610.58 km) |
| Mechernich to Corsham | 388.07 mi (624.55 km) |
| Mechernich to Coseley | 398.16 mi (640.78 km) |
| Mechernich to Cosham | 337.78 mi (543.60 km) |
