| Tucson Mountains to Dixon (California) | 739.52 mi (1,190.15 km) |
| Tucson Mountains to Dixon (Illinois) | 1,356.23 mi (2,182.64 km) |
| Tucson Mountains to Dobbs Ferry (New York) | 2,131.14 mi (3,429.75 km) |
| Tucson Mountains to Doctor Phillips (Florida) | 1,777.85 mi (2,861.18 km) |
| Tucson Mountains to Dodge City (Kansas) | 730.57 mi (1,175.74 km) |
| Tucson Mountains to Dolton (Illinois) | 1,441.84 mi (2,320.42 km) |
| Tucson Mountains to Donna (Texas) | 891.37 mi (1,434.52 km) |
| Tucson Mountains to Dorado (Puerto Rico) | 2,931.50 mi (4,717.79 km) |
| Tucson Mountains to Doral (Florida) | 1,901.57 mi (3,060.28 km) |
| Tucson Mountains to Doraville (Georgia) | 1,551.32 mi (2,496.62 km) |
| Tucson Mountains to Dothan (Alabama) | 1,506.25 mi (2,424.07 km) |
| Tucson Mountains to Douglas (Arizona) | 110.50 mi (177.83 km) |
| Tucson Mountains to Douglas (Georgia) | 1,651.70 mi (2,658.15 km) |
| Tucson Mountains to Douglasville (Georgia) | 1,527.15 mi (2,457.70 km) |
| Tucson Mountains to Dover (Delaware) | 2,036.52 mi (3,277.47 km) |
