| Tucson Mountains to Duluth (Minnesota) | 1,414.57 mi (2,276.52 km) |
| Tucson Mountains to Dumas (Texas) | 576.88 mi (928.40 km) |
| Tucson Mountains to Dumont (New Jersey) | 2,124.41 mi (3,418.92 km) |
| Tucson Mountains to Duncan (Oklahoma) | 774.03 mi (1,245.68 km) |
| Tucson Mountains to Duncanville (Texas) | 825.51 mi (1,328.53 km) |
| Tucson Mountains to Dundalk (Maryland) | 1,984.82 mi (3,194.25 km) |
| Tucson Mountains to Dunedin (Florida) | 1,710.34 mi (2,752.53 km) |
| Tucson Mountains to Dunkirk (New York) | 1,866.24 mi (3,003.42 km) |
| Tucson Mountains to Dunmore (Pennsylvania) | 2,043.83 mi (3,289.23 km) |
| Tucson Mountains to Dunwoody (Georgia) | 1,548.83 mi (2,492.61 km) |
| Tucson Mountains to Durango (Colorado) | 389.21 mi (626.37 km) |
| Tucson Mountains to Durant (Oklahoma) | 857.04 mi (1,379.28 km) |
| Tucson Mountains to Durham (North Carolina) | 1,849.37 mi (2,976.27 km) |
| Tucson Mountains to Dyer (Indiana) | 1,443.29 mi (2,322.75 km) |
| Tucson Mountains to Dyersburg (Tennessee) | 1,264.70 mi (2,035.34 km) |
