| Potomac to Dillenburg | 4,024.98 mi (6,477.59 km) |
| Potomac to Dillingen | 4,177.77 mi (6,723.47 km) |
| Potomac to Dillingen | 4,001.63 mi (6,440.01 km) |
| Potomac to Dingolfing | 4,258.12 mi (6,852.79 km) |
| Potomac to Dinkelsbuhl | 4,156.15 mi (6,688.67 km) |
| Potomac to Dinklage | 3,965.25 mi (6,381.45 km) |
| Potomac to Dinslaken | 3,940.35 mi (6,341.38 km) |
| Potomac to Dippoldiswalde | 4,231.38 mi (6,809.74 km) |
| Potomac to Ditzingen | 4,112.60 mi (6,618.58 km) |
| Potomac to Dobeln | 4,202.81 mi (6,763.77 km) |
| Potomac to Doberlug-Kirchhain | 4,204.54 mi (6,766.56 km) |
| Potomac to Donaueschingen | 4,115.76 mi (6,623.68 km) |
| Potomac to Donauworth | 4,187.17 mi (6,738.60 km) |
| Potomac to Donzdorf | 4,147.62 mi (6,674.95 km) |
| Potomac to Dorfen | 4,255.84 mi (6,849.11 km) |
