| Fort Oglethorpe to Carlsbad (California) | 1,830.97 mi (2,946.66 km) |
| Fort Oglethorpe to Carlsbad (New Mexico) | 1,104.36 mi (1,777.29 km) |
| Fort Oglethorpe to Carmel (Indiana) | 351.24 mi (565.27 km) |
| Fort Oglethorpe to Carmichael (California) | 1,999.98 mi (3,218.66 km) |
| Fort Oglethorpe to Carney (Maryland) | 570.68 mi (918.42 km) |
| Fort Oglethorpe to Carnot-Moon (Pennsylvania) | 473.64 mi (762.25 km) |
| Fort Oglethorpe to Carol Stream (Illinois) | 507.25 mi (816.33 km) |
| Fort Oglethorpe to Carolina (Puerto Rico) | 1,642.84 mi (2,643.90 km) |
| Fort Oglethorpe to Carolina Forest (South Carolina) | 370.08 mi (595.58 km) |
| Fort Oglethorpe to Carpentersville (Illinois) | 523.27 mi (842.12 km) |
| Fort Oglethorpe to Carpinteria (California) | 1,938.03 mi (3,118.96 km) |
| Fort Oglethorpe to Carrboro (North Carolina) | 353.38 mi (568.71 km) |
| Fort Oglethorpe to Carroll (Iowa) | 715.88 mi (1,152.10 km) |
| Fort Oglethorpe to Carrollton (Georgia) | 93.73 mi (150.85 km) |
| Fort Oglethorpe to Carrollton (Texas) | 680.79 mi (1,095.62 km) |
