| Martin to Colchester | 813.67 mi (1,309.48 km) |
| Martin to Coleford | 962.80 mi (1,549.48 km) |
| Martin to Colne | 962.27 mi (1,548.63 km) |
| Martin to Colwyn Bay | 1,017.51 mi (1,637.53 km) |
| Martin to Congleton | 955.54 mi (1,537.79 km) |
| Martin to Conisbrough | 919.08 mi (1,479.11 km) |
| Martin to Connahs Quay | 990.51 mi (1,594.07 km) |
| Martin to Consett | 965.03 mi (1,553.06 km) |
| Martin to Conwy | 1,022.75 mi (1,645.95 km) |
| Martin to Cookstown | 1,153.47 mi (1,856.34 km) |
| Martin to Corby | 886.27 mi (1,426.31 km) |
| Martin to Corfe Mullen | 935.78 mi (1,505.99 km) |
| Martin to Corsham | 943.36 mi (1,518.18 km) |
| Martin to Coseley | 944.45 mi (1,519.94 km) |
| Martin to Cosham | 894.20 mi (1,439.07 km) |
