| Superior to Cromer | 3,883.34 mi (6,249.62 km) |
| Superior to Crosby | 3,712.08 mi (5,974.02 km) |
| Superior to Crowborough | 3,917.02 mi (6,303.83 km) |
| Superior to Croxley Green | 3,872.51 mi (6,232.20 km) |
| Superior to Croydon | 3,895.11 mi (6,268.57 km) |
| Superior to Cudworth | 3,765.03 mi (6,059.23 km) |
| Superior to Culcheth | 3,731.28 mi (6,004.91 km) |
| Superior to Cullercoats | 3,710.94 mi (5,972.19 km) |
| Superior to Cumbernauld | 3,592.59 mi (5,781.71 km) |
| Superior to Cumnock | 3,600.26 mi (5,794.06 km) |
| Superior to Cupar | 3,612.64 mi (5,813.99 km) |
| Superior to Cwmbran | 3,780.24 mi (6,083.71 km) |
| Superior to Dagenham | 3,897.48 mi (6,272.40 km) |
| Superior to Dalkeith | 3,625.70 mi (5,835.00 km) |
| Superior to Darfield | 3,767.70 mi (6,063.53 km) |
