| Pittsburgh to Decatur (Alabama) | 558.28 mi (898.47 km) |
| Pittsburgh to Decatur (Georgia) | 518.44 mi (834.35 km) |
| Pittsburgh to Decatur (Illinois) | 474.61 mi (763.82 km) |
| Pittsburgh to Deer Park (New York) | 349.72 mi (562.82 km) |
| Pittsburgh to Deer Park (Texas) | 1,130.44 mi (1,819.27 km) |
| Pittsburgh to Deerfield (Illinois) | 425.62 mi (684.97 km) |
| Pittsburgh to Deerfield Beach (Florida) | 976.65 mi (1,571.77 km) |
| Pittsburgh to Defiance (Ohio) | 236.60 mi (380.77 km) |
| Pittsburgh to DeForest (Wisconsin) | 518.94 mi (835.15 km) |
| Pittsburgh to DeKalb (Illinois) | 467.39 mi (752.19 km) |
| Pittsburgh to Del Aire (California) | 2,143.51 mi (3,449.64 km) |
| Pittsburgh to Del City (Oklahoma) | 1,010.05 mi (1,625.52 km) |
| Pittsburgh to Del Rio (Texas) | 1,404.27 mi (2,259.96 km) |
| Pittsburgh to DeLand (Florida) | 792.33 mi (1,275.13 km) |
| Pittsburgh to Delano (California) | 2,142.44 mi (3,447.92 km) |
