| On Top of the World Designated Place to Clacton-on-Sea | 4,397.02 mi (7,076.32 km) |
| On Top of the World Designated Place to Clay Cross | 4,270.67 mi (6,872.98 km) |
| On Top of the World Designated Place to Clayton | 4,245.99 mi (6,833.27 km) |
| On Top of the World Designated Place to Clayton le Moors | 4,223.22 mi (6,796.62 km) |
| On Top of the World Designated Place to Cleckheaton | 4,250.55 mi (6,840.60 km) |
| On Top of the World Designated Place to Cleethorpes | 4,321.03 mi (6,954.03 km) |
| On Top of the World Designated Place to Clevedon | 4,235.37 mi (6,816.17 km) |
| On Top of the World Designated Place to Clifton | 4,283.98 mi (6,894.40 km) |
| On Top of the World Designated Place to Clifton | 4,271.96 mi (6,875.06 km) |
| On Top of the World Designated Place to Cliftonville | 4,414.79 mi (7,104.91 km) |
| On Top of the World Designated Place to Clitheroe | 4,221.68 mi (6,794.13 km) |
| On Top of the World Designated Place to Clydebank | 4,120.02 mi (6,630.53 km) |
| On Top of the World Designated Place to Coalville | 4,278.75 mi (6,885.99 km) |
| On Top of the World Designated Place to Coatbridge | 4,134.73 mi (6,654.21 km) |
| On Top of the World Designated Place to Cobham | 4,339.90 mi (6,984.39 km) |
