| Tucson Mountains to Decatur (Alabama) | 1,394.60 mi (2,244.39 km) |
| Tucson Mountains to Decatur (Georgia) | 1,550.46 mi (2,495.22 km) |
| Tucson Mountains to Decatur (Illinois) | 1,338.18 mi (2,153.59 km) |
| Tucson Mountains to Deer Park (New York) | 2,158.51 mi (3,473.78 km) |
| Tucson Mountains to Deer Park (Texas) | 961.34 mi (1,547.13 km) |
| Tucson Mountains to Deerfield (Illinois) | 1,442.15 mi (2,320.91 km) |
| Tucson Mountains to Deerfield Beach (Florida) | 1,903.10 mi (3,062.75 km) |
| Tucson Mountains to Defiance (Ohio) | 1,595.37 mi (2,567.50 km) |
| Tucson Mountains to DeForest (Wisconsin) | 1,401.20 mi (2,255.02 km) |
| Tucson Mountains to DeKalb (Illinois) | 1,393.41 mi (2,242.48 km) |
| Tucson Mountains to Del Aire (California) | 436.80 mi (702.97 km) |
| Tucson Mountains to Del City (Oklahoma) | 811.58 mi (1,306.11 km) |
| Tucson Mountains to Del Rio (Texas) | 637.26 mi (1,025.57 km) |
| Tucson Mountains to DeLand (Florida) | 1,779.22 mi (2,863.38 km) |
| Tucson Mountains to Delano (California) | 526.71 mi (847.66 km) |
