| Potomac to Deville-les-Rouen | 3,762.47 mi (6,055.10 km) |
| Potomac to Dieppe | 3,752.76 mi (6,039.49 km) |
| Potomac to Digne-les-Bains | 4,137.01 mi (6,657.88 km) |
| Potomac to Dijon | 3,987.63 mi (6,417.47 km) |
| Potomac to Dinan | 3,654.72 mi (5,881.71 km) |
| Potomac to Dinard | 3,650.13 mi (5,874.32 km) |
| Potomac to Divonne-les-Bains | 4,063.89 mi (6,540.20 km) |
| Potomac to Dole | 4,014.29 mi (6,460.37 km) |
| Potomac to Dombasle-sur-Meurthe | 4,006.42 mi (6,447.71 km) |
| Potomac to Domerat | 3,907.33 mi (6,288.25 km) |
| Potomac to Domont | 3,827.23 mi (6,159.33 km) |
| Potomac to Douai | 3,824.30 mi (6,154.62 km) |
| Potomac to Douarnenez | 3,563.90 mi (5,735.54 km) |
| Potomac to Douchy-les-Mines | 3,838.93 mi (6,178.16 km) |
| Potomac to Dourdan | 3,826.73 mi (6,158.53 km) |
