| Markham to Clacton-on-Sea | 4,001.96 mi (6,440.53 km) |
| Markham to Clay Cross | 3,863.07 mi (6,217.01 km) |
| Markham to Clayton | 3,829.87 mi (6,163.58 km) |
| Markham to Clayton le Moors | 3,808.94 mi (6,129.90 km) |
| Markham to Cleckheaton | 3,835.04 mi (6,171.89 km) |
| Markham to Cleethorpes | 3,902.82 mi (6,280.98 km) |
| Markham to Clevedon | 3,860.11 mi (6,212.25 km) |
| Markham to Clifton | 3,879.71 mi (6,243.79 km) |
| Markham to Clifton | 3,850.63 mi (6,196.99 km) |
| Markham to Cliftonville | 4,024.95 mi (6,477.53 km) |
| Markham to Clitheroe | 3,805.89 mi (6,124.99 km) |
| Markham to Clydebank | 3,677.08 mi (5,917.69 km) |
| Markham to Coalville | 3,877.96 mi (6,240.97 km) |
| Markham to Coatbridge | 3,691.48 mi (5,940.86 km) |
| Markham to Cobham | 3,957.73 mi (6,369.35 km) |
