| Youngstown to Dillenburg | 4,063.51 mi (6,539.59 km) |
| Youngstown to Dillingen | 4,222.16 mi (6,794.91 km) |
| Youngstown to Dillingen | 4,048.03 mi (6,514.68 km) |
| Youngstown to Dingolfing | 4,299.26 mi (6,918.99 km) |
| Youngstown to Dinkelsbuhl | 4,198.73 mi (6,757.20 km) |
| Youngstown to Dinklage | 3,995.73 mi (6,430.51 km) |
| Youngstown to Dinslaken | 3,977.31 mi (6,400.87 km) |
| Youngstown to Dippoldiswalde | 4,261.87 mi (6,858.82 km) |
| Youngstown to Ditzingen | 4,157.95 mi (6,691.57 km) |
| Youngstown to Dobeln | 4,233.18 mi (6,812.65 km) |
| Youngstown to Doberlug-Kirchhain | 4,232.28 mi (6,811.20 km) |
| Youngstown to Donaueschingen | 4,165.46 mi (6,703.66 km) |
| Youngstown to Donauworth | 4,230.55 mi (6,808.41 km) |
| Youngstown to Donzdorf | 4,192.48 mi (6,747.15 km) |
| Youngstown to Dorfen | 4,298.94 mi (6,918.47 km) |
