| Alcoa to Clacton-on-Sea | 4,134.67 mi (6,654.11 km) |
| Alcoa to Clay Cross | 4,001.45 mi (6,439.71 km) |
| Alcoa to Clayton | 3,972.56 mi (6,393.22 km) |
| Alcoa to Clayton le Moors | 3,950.49 mi (6,357.70 km) |
| Alcoa to Cleckheaton | 3,977.44 mi (6,401.07 km) |
| Alcoa to Cleethorpes | 4,047.15 mi (6,513.27 km) |
| Alcoa to Clevedon | 3,981.27 mi (6,407.23 km) |
| Alcoa to Clifton | 4,016.44 mi (6,463.83 km) |
| Alcoa to Clifton | 3,996.26 mi (6,431.36 km) |
| Alcoa to Cliftonville | 4,155.06 mi (6,686.92 km) |
| Alcoa to Clitheroe | 3,948.22 mi (6,354.05 km) |
| Alcoa to Clydebank | 3,833.06 mi (6,168.72 km) |
| Alcoa to Coalville | 4,012.82 mi (6,458.01 km) |
| Alcoa to Coatbridge | 3,847.74 mi (6,192.33 km) |
| Alcoa to Cobham | 4,083.28 mi (6,571.41 km) |
