| Pittsburgh to Dillenburg | 4,068.28 mi (6,547.26 km) |
| Pittsburgh to Dillingen | 4,225.53 mi (6,800.33 km) |
| Pittsburgh to Dillingen | 4,050.82 mi (6,519.17 km) |
| Pittsburgh to Dingolfing | 4,303.47 mi (6,925.77 km) |
| Pittsburgh to Dinkelsbuhl | 4,202.54 mi (6,763.33 km) |
| Pittsburgh to Dinklage | 4,002.46 mi (6,441.34 km) |
| Pittsburgh to Dinslaken | 3,982.43 mi (6,409.10 km) |
| Pittsburgh to Dippoldiswalde | 4,268.71 mi (6,869.83 km) |
| Pittsburgh to Ditzingen | 4,161.04 mi (6,696.55 km) |
| Pittsburgh to Dobeln | 4,240.04 mi (6,823.69 km) |
| Pittsburgh to Doberlug-Kirchhain | 4,239.79 mi (6,823.29 km) |
| Pittsburgh to Donaueschingen | 4,167.47 mi (6,706.89 km) |
| Pittsburgh to Donauworth | 4,234.17 mi (6,814.24 km) |
| Pittsburgh to Donzdorf | 4,195.72 mi (6,752.35 km) |
| Pittsburgh to Dorfen | 4,302.66 mi (6,924.46 km) |
