| Potomac to Deventer | 3,899.28 mi (6,275.29 km) |
| Potomac to Diemen | 3,850.71 mi (6,197.11 km) |
| Potomac to Doesburg | 3,904.72 mi (6,284.05 km) |
| Potomac to Doetinchem | 3,912.60 mi (6,296.72 km) |
| Potomac to Dokkum | 3,865.80 mi (6,221.40 km) |
| Potomac to Dongen | 3,867.15 mi (6,223.58 km) |
| Potomac to Doorn | 3,873.42 mi (6,233.67 km) |
| Potomac to Dordrecht | 3,852.87 mi (6,200.59 km) |
| Potomac to Drachten | 3,875.46 mi (6,236.95 km) |
| Potomac to Drimmelen | 3,860.57 mi (6,212.98 km) |
| Potomac to Dronten | 3,875.45 mi (6,236.94 km) |
| Potomac to Druten | 3,887.17 mi (6,255.79 km) |
| Potomac to Duiven | 3,902.53 mi (6,280.52 km) |
| Potomac to Echt | 3,919.03 mi (6,307.06 km) |
| Potomac to Edam | 3,849.37 mi (6,194.96 km) |
