| Ashburn to Cosham | 3,653.21 mi (5,879.27 km) |
| Ashburn to Costessey | 3,705.12 mi (5,962.82 km) |
| Ashburn to Cottingham | 3,617.09 mi (5,821.14 km) |
| Ashburn to Coulsdon | 3,680.62 mi (5,923.38 km) |
| Ashburn to Coventry | 3,601.61 mi (5,796.23 km) |
| Ashburn to Cowdenbeath | 3,462.70 mi (5,572.68 km) |
| Ashburn to Cowes | 3,645.36 mi (5,866.64 km) |
| Ashburn to Cowley | 3,662.05 mi (5,893.50 km) |
| Ashburn to Cowley | 3,627.71 mi (5,838.24 km) |
| Ashburn to Cramlington | 3,546.92 mi (5,708.21 km) |
| Ashburn to Cranleigh | 3,670.85 mi (5,907.67 km) |
| Ashburn to Crawley | 3,683.40 mi (5,927.87 km) |
| Ashburn to Crayford | 3,690.77 mi (5,939.72 km) |
| Ashburn to Crewe | 3,550.64 mi (5,714.20 km) |
| Ashburn to Crigglestone | 3,576.39 mi (5,755.65 km) |
