| Portland to Dillenburg | 5,168.58 mi (8,318.03 km) |
| Portland to Dillingen | 5,347.29 mi (8,605.64 km) |
| Portland to Dillingen | 5,210.05 mi (8,384.77 km) |
| Portland to Dingolfing | 5,391.15 mi (8,676.21 km) |
| Portland to Dinkelsbuhl | 5,314.13 mi (8,552.27 km) |
| Portland to Dinklage | 5,053.58 mi (8,132.95 km) |
| Portland to Dinslaken | 5,083.36 mi (8,180.88 km) |
| Portland to Dippoldiswalde | 5,282.14 mi (8,500.78 km) |
| Portland to Ditzingen | 5,298.21 mi (8,526.64 km) |
| Portland to Dobeln | 5,256.56 mi (8,459.61 km) |
| Portland to Doberlug-Kirchhain | 5,236.66 mi (8,427.59 km) |
| Portland to Donaueschingen | 5,335.09 mi (8,586.00 km) |
| Portland to Donauworth | 5,347.39 mi (8,605.80 km) |
| Portland to Donzdorf | 5,324.80 mi (8,569.44 km) |
| Portland to Dorfen | 5,404.87 mi (8,698.29 km) |
