| Fort Oglethorpe to Cordele (Georgia) | 222.51 mi (358.09 km) |
| Fort Oglethorpe to Corinth (Mississippi) | 185.11 mi (297.91 km) |
| Fort Oglethorpe to Corinth (Texas) | 687.64 mi (1,106.65 km) |
| Fort Oglethorpe to Cornelius (North Carolina) | 249.21 mi (401.07 km) |
| Fort Oglethorpe to Cornelius (Oregon) | 2,101.30 mi (3,381.71 km) |
| Fort Oglethorpe to Corning (New York) | 665.99 mi (1,071.81 km) |
| Fort Oglethorpe to Corona (California) | 1,836.03 mi (2,954.81 km) |
| Fort Oglethorpe to Coronado (California) | 1,831.36 mi (2,947.29 km) |
| Fort Oglethorpe to Corpus Christi (Texas) | 870.95 mi (1,401.66 km) |
| Fort Oglethorpe to Corsicana (Texas) | 675.29 mi (1,086.78 km) |
| Fort Oglethorpe to Cortland (New York) | 719.81 mi (1,158.42 km) |
| Fort Oglethorpe to Corvallis (Oregon) | 2,105.44 mi (3,388.38 km) |
| Fort Oglethorpe to Coshocton (Ohio) | 412.49 mi (663.85 km) |
| Fort Oglethorpe to Costa Mesa (California) | 1,858.38 mi (2,990.78 km) |
| Fort Oglethorpe to Coto de Caza (California) | 1,840.97 mi (2,962.76 km) |
