| Fort Oglethorpe to Clacton-on-Sea | 4,228.10 mi (6,804.46 km) |
| Fort Oglethorpe to Clay Cross | 4,094.75 mi (6,589.86 km) |
| Fort Oglethorpe to Clayton | 4,065.76 mi (6,543.20 km) |
| Fort Oglethorpe to Clayton le Moors | 4,043.71 mi (6,507.73 km) |
| Fort Oglethorpe to Cleckheaton | 4,070.64 mi (6,551.07 km) |
| Fort Oglethorpe to Cleethorpes | 4,140.33 mi (6,663.21 km) |
| Fort Oglethorpe to Clevedon | 4,074.85 mi (6,557.83 km) |
| Fort Oglethorpe to Clifton | 4,109.77 mi (6,614.04 km) |
| Fort Oglethorpe to Clifton | 4,089.39 mi (6,581.24 km) |
| Fort Oglethorpe to Cliftonville | 4,248.53 mi (6,837.35 km) |
| Fort Oglethorpe to Clitheroe | 4,041.42 mi (6,504.04 km) |
| Fort Oglethorpe to Clydebank | 3,925.87 mi (6,318.07 km) |
| Fort Oglethorpe to Coalville | 4,106.19 mi (6,608.27 km) |
| Fort Oglethorpe to Coatbridge | 3,940.54 mi (6,341.68 km) |
| Fort Oglethorpe to Cobham | 4,176.82 mi (6,721.93 km) |
