| Ashburn to Clacton-on-Sea | 3,722.02 mi (5,990.01 km) |
| Ashburn to Clay Cross | 3,590.20 mi (5,777.87 km) |
| Ashburn to Clayton | 3,562.31 mi (5,732.98 km) |
| Ashburn to Clayton le Moors | 3,540.04 mi (5,697.14 km) |
| Ashburn to Cleckheaton | 3,567.11 mi (5,740.71 km) |
| Ashburn to Cleethorpes | 3,637.10 mi (5,853.35 km) |
| Ashburn to Clevedon | 3,566.79 mi (5,740.20 km) |
| Ashburn to Clifton | 3,604.81 mi (5,801.38 km) |
| Ashburn to Clifton | 3,586.62 mi (5,772.10 km) |
| Ashburn to Cliftonville | 3,741.87 mi (6,021.96 km) |
| Ashburn to Clitheroe | 3,537.95 mi (5,693.77 km) |
| Ashburn to Clydebank | 3,426.37 mi (5,514.21 km) |
| Ashburn to Coalville | 3,600.82 mi (5,794.96 km) |
| Ashburn to Coatbridge | 3,441.07 mi (5,537.87 km) |
| Ashburn to Cobham | 3,669.40 mi (5,905.32 km) |
