| Mount Washington to Cosham | 4,027.50 mi (6,481.64 km) |
| Mount Washington to Costessey | 4,068.10 mi (6,546.97 km) |
| Mount Washington to Cottingham | 3,976.20 mi (6,399.07 km) |
| Mount Washington to Coulsdon | 4,051.62 mi (6,520.46 km) |
| Mount Washington to Coventry | 3,968.87 mi (6,387.27 km) |
| Mount Washington to Cowdenbeath | 3,812.01 mi (6,134.83 km) |
| Mount Washington to Cowes | 4,020.30 mi (6,470.04 km) |
| Mount Washington to Cowley | 4,032.46 mi (6,489.61 km) |
| Mount Washington to Cowley | 3,997.95 mi (6,434.08 km) |
| Mount Washington to Cramlington | 3,900.31 mi (6,276.95 km) |
| Mount Washington to Cranleigh | 4,043.11 mi (6,506.76 km) |
| Mount Washington to Crawley | 4,055.46 mi (6,526.63 km) |
| Mount Washington to Crayford | 4,060.80 mi (6,535.23 km) |
| Mount Washington to Crewe | 3,915.39 mi (6,301.21 km) |
| Mount Washington to Crigglestone | 3,937.39 mi (6,336.62 km) |
