| Fort Oglethorpe to Decatur (Alabama) | 102.09 mi (164.29 km) |
| Fort Oglethorpe to Decatur (Georgia) | 96.78 mi (155.75 km) |
| Fort Oglethorpe to Decatur (Illinois) | 395.80 mi (636.98 km) |
| Fort Oglethorpe to Deer Park (New York) | 764.16 mi (1,229.79 km) |
| Fort Oglethorpe to Deer Park (Texas) | 680.12 mi (1,094.55 km) |
| Fort Oglethorpe to Deerfield (Illinois) | 519.17 mi (835.53 km) |
| Fort Oglethorpe to Deerfield Beach (Florida) | 668.97 mi (1,076.61 km) |
| Fort Oglethorpe to Defiance (Ohio) | 441.30 mi (710.21 km) |
| Fort Oglethorpe to DeForest (Wisconsin) | 613.81 mi (987.84 km) |
| Fort Oglethorpe to DeKalb (Illinois) | 519.32 mi (835.76 km) |
| Fort Oglethorpe to Del Aire (California) | 1,880.47 mi (3,026.32 km) |
| Fort Oglethorpe to Del City (Oklahoma) | 689.08 mi (1,108.97 km) |
| Fort Oglethorpe to Del Rio (Texas) | 990.52 mi (1,594.09 km) |
| Fort Oglethorpe to DeLand (Florida) | 469.49 mi (755.57 km) |
| Fort Oglethorpe to Delano (California) | 1,908.26 mi (3,071.06 km) |
