| Prospect Heights to Clacton-on-Sea | 3,987.07 mi (6,416.58 km) |
| Prospect Heights to Clay Cross | 3,847.83 mi (6,192.49 km) |
| Prospect Heights to Clayton | 3,814.31 mi (6,138.53 km) |
| Prospect Heights to Clayton le Moors | 3,793.49 mi (6,105.03 km) |
| Prospect Heights to Cleckheaton | 3,819.49 mi (6,146.88 km) |
| Prospect Heights to Cleethorpes | 3,887.07 mi (6,255.64 km) |
| Prospect Heights to Clevedon | 3,846.26 mi (6,189.96 km) |
| Prospect Heights to Clifton | 3,864.59 mi (6,219.46 km) |
| Prospect Heights to Clifton | 3,834.82 mi (6,171.55 km) |
| Prospect Heights to Cliftonville | 4,010.26 mi (6,453.90 km) |
| Prospect Heights to Clitheroe | 3,790.37 mi (6,100.02 km) |
| Prospect Heights to Clydebank | 3,660.57 mi (5,891.11 km) |
| Prospect Heights to Coalville | 3,862.99 mi (6,216.88 km) |
| Prospect Heights to Coatbridge | 3,674.93 mi (5,914.23 km) |
| Prospect Heights to Cobham | 3,943.45 mi (6,346.37 km) |
