| Fort Oglethorpe to Clarksdale (Mississippi) | 307.12 mi (494.26 km) |
| Fort Oglethorpe to Clarkston (Georgia) | 96.33 mi (155.02 km) |
| Fort Oglethorpe to Clarksville (Indiana) | 236.02 mi (379.83 km) |
| Fort Oglethorpe to Clarksville (Tennessee) | 163.10 mi (262.48 km) |
| Fort Oglethorpe to Clawson (Michigan) | 537.40 mi (864.86 km) |
| Fort Oglethorpe to Clay (Alabama) | 115.55 mi (185.95 km) |
| Fort Oglethorpe to Clayton (California) | 2,036.57 mi (3,277.55 km) |
| Fort Oglethorpe to Clayton (Missouri) | 380.60 mi (612.52 km) |
| Fort Oglethorpe to Clayton (North Carolina) | 386.46 mi (621.94 km) |
| Fort Oglethorpe to Clayton (Ohio) | 344.81 mi (554.91 km) |
| Fort Oglethorpe to Clearfield (Utah) | 1,511.87 mi (2,433.12 km) |
| Fort Oglethorpe to Clearlake (California) | 2,068.58 mi (3,329.06 km) |
| Fort Oglethorpe to Clearwater (Florida) | 502.14 mi (808.12 km) |
| Fort Oglethorpe to Cleburne (Texas) | 721.69 mi (1,161.46 km) |
| Fort Oglethorpe to Clemmons (North Carolina) | 283.76 mi (456.67 km) |
