| Fort Oglethorpe to Conyers (Georgia) | 112.92 mi (181.73 km) |
| Fort Oglethorpe to Cookeville (Tennessee) | 85.35 mi (137.36 km) |
| Fort Oglethorpe to Coolidge (Arizona) | 1,508.44 mi (2,427.60 km) |
| Fort Oglethorpe to Coon Rapids (Minnesota) | 825.32 mi (1,328.23 km) |
| Fort Oglethorpe to Cooper City (Florida) | 680.99 mi (1,095.94 km) |
| Fort Oglethorpe to Coos Bay (Oregon) | 2,147.45 mi (3,455.99 km) |
| Fort Oglethorpe to Copiague (New York) | 757.94 mi (1,219.79 km) |
| Fort Oglethorpe to Coppell (Texas) | 686.29 mi (1,104.48 km) |
| Fort Oglethorpe to Copperas Cove (Texas) | 778.99 mi (1,253.67 km) |
| Fort Oglethorpe to Coral Gables (Florida) | 702.97 mi (1,131.32 km) |
| Fort Oglethorpe to Coral Springs (Florida) | 667.65 mi (1,074.47 km) |
| Fort Oglethorpe to Coral Terrace (Florida) | 699.43 mi (1,125.62 km) |
| Fort Oglethorpe to Coralville (Iowa) | 580.26 mi (933.84 km) |
| Fort Oglethorpe to Coram (New York) | 782.60 mi (1,259.47 km) |
| Fort Oglethorpe to Corcoran (California) | 1,921.66 mi (3,092.61 km) |
