| Porto to Dillenburg | 1,043.07 mi (1,678.66 km) |
| Porto to Dillingen | 1,061.48 mi (1,708.29 km) |
| Porto to Dillingen | 933.96 mi (1,503.07 km) |
| Porto to Dingolfing | 1,150.26 mi (1,851.17 km) |
| Porto to Dinkelsbuhl | 1,068.70 mi (1,719.91 km) |
| Porto to Dinklage | 1,116.02 mi (1,796.07 km) |
| Porto to Dinslaken | 1,022.15 mi (1,644.99 km) |
| Porto to Dippoldiswalde | 1,255.48 mi (2,020.50 km) |
| Porto to Ditzingen | 1,009.95 mi (1,625.35 km) |
| Porto to Dobeln | 1,240.03 mi (1,995.63 km) |
| Porto to Doberlug-Kirchhain | 1,272.50 mi (2,047.90 km) |
| Porto to Donaueschingen | 961.84 mi (1,547.93 km) |
| Porto to Donauworth | 1,079.02 mi (1,736.52 km) |
| Porto to Donzdorf | 1,037.11 mi (1,669.07 km) |
| Porto to Dorfen | 1,127.04 mi (1,813.80 km) |
