| Cahokia to Clacton-on-Sea | 4,242.44 mi (6,827.55 km) |
| Cahokia to Clay Cross | 4,104.18 mi (6,605.05 km) |
| Cahokia to Clayton | 4,071.50 mi (6,552.45 km) |
| Cahokia to Clayton le Moors | 4,050.42 mi (6,518.51 km) |
| Cahokia to Cleckheaton | 4,076.64 mi (6,560.72 km) |
| Cahokia to Cleethorpes | 4,144.72 mi (6,670.29 km) |
| Cahokia to Clevedon | 4,098.79 mi (6,596.37 km) |
| Cahokia to Clifton | 4,120.62 mi (6,631.50 km) |
| Cahokia to Clifton | 4,092.65 mi (6,586.49 km) |
| Cahokia to Cliftonville | 4,265.10 mi (6,864.02 km) |
| Cahokia to Clitheroe | 4,047.46 mi (6,513.76 km) |
| Cahokia to Clydebank | 3,920.16 mi (6,308.89 km) |
| Cahokia to Coalville | 4,118.62 mi (6,628.28 km) |
| Cahokia to Coatbridge | 3,934.60 mi (6,332.12 km) |
| Cahokia to Cobham | 4,197.16 mi (6,754.68 km) |
