| Quincy to Duluth (Minnesota) | 1,082.76 mi (1,742.53 km) |
| Quincy to Dumas (Texas) | 1,707.65 mi (2,748.20 km) |
| Quincy to Dumont (New Jersey) | 178.15 mi (286.70 km) |
| Quincy to Duncan (Oklahoma) | 1,543.25 mi (2,483.62 km) |
| Quincy to Duncanville (Texas) | 1,559.47 mi (2,509.72 km) |
| Quincy to Dundalk (Maryland) | 352.74 mi (567.69 km) |
| Quincy to Dunedin (Florida) | 1,183.58 mi (1,904.79 km) |
| Quincy to Dunkirk (New York) | 424.54 mi (683.24 km) |
| Quincy to Dunmore (Pennsylvania) | 243.14 mi (391.29 km) |
| Quincy to Dunwoody (Georgia) | 921.17 mi (1,482.48 km) |
| Quincy to Durango (Colorado) | 1,972.07 mi (3,173.74 km) |
| Quincy to Durant (Oklahoma) | 1,485.32 mi (2,390.38 km) |
| Quincy to Durham (North Carolina) | 604.75 mi (973.25 km) |
| Quincy to Dyer (Indiana) | 848.65 mi (1,365.78 km) |
| Quincy to Dyersburg (Tennessee) | 1,070.20 mi (1,722.31 km) |
