| Altamont to Decatur (Georgia) | 2,101.22 mi (3,381.59 km) |
| Altamont to Decatur (Illinois) | 1,706.26 mi (2,745.96 km) |
| Altamont to Deer Park (New York) | 2,473.39 mi (3,980.54 km) |
| Altamont to Deer Park (Texas) | 1,710.50 mi (2,752.78 km) |
| Altamont to Deerfield (Illinois) | 1,722.70 mi (2,772.43 km) |
| Altamont to Deerfield Beach (Florida) | 2,584.80 mi (4,159.83 km) |
| Altamont to Defiance (Ohio) | 1,911.61 mi (3,076.44 km) |
| Altamont to DeForest (Wisconsin) | 1,635.15 mi (2,631.52 km) |
| Altamont to DeKalb (Illinois) | 1,680.95 mi (2,705.23 km) |
| Altamont to Del Aire (California) | 600.46 mi (966.34 km) |
| Altamont to Del City (Oklahoma) | 1,382.13 mi (2,224.33 km) |
| Altamont to Del Rio (Texas) | 1,459.69 mi (2,349.14 km) |
| Altamont to DeLand (Florida) | 2,419.82 mi (3,894.32 km) |
| Altamont to Delano (California) | 463.58 mi (746.06 km) |
| Altamont to Delaware (Ohio) | 1,995.19 mi (3,210.94 km) |
