| Quincy to Decatur (Alabama) | 1,011.92 mi (1,628.53 km) |
| Quincy to Decatur (Georgia) | 928.50 mi (1,494.27 km) |
| Quincy to Decatur (Illinois) | 946.17 mi (1,522.71 km) |
| Quincy to Deer Park (New York) | 157.39 mi (253.30 km) |
| Quincy to Deer Park (Texas) | 1,593.93 mi (2,565.19 km) |
| Quincy to Deerfield (Illinois) | 860.09 mi (1,384.18 km) |
| Quincy to Deerfield Beach (Florida) | 1,216.51 mi (1,957.79 km) |
| Quincy to Defiance (Ohio) | 690.37 mi (1,111.04 km) |
| Quincy to DeForest (Wisconsin) | 930.46 mi (1,497.42 km) |
| Quincy to DeKalb (Illinois) | 907.66 mi (1,460.74 km) |
| Quincy to Del Aire (California) | 2,604.02 mi (4,190.77 km) |
| Quincy to Del City (Oklahoma) | 1,490.32 mi (2,398.44 km) |
| Quincy to Del Rio (Texas) | 1,881.25 mi (3,027.57 km) |
| Quincy to DeLand (Florida) | 1,078.79 mi (1,736.14 km) |
| Quincy to Delano (California) | 2,593.51 mi (4,173.85 km) |
