| Portland to Deville-les-Rouen | 5,054.02 mi (8,133.66 km) |
| Portland to Dieppe | 5,030.18 mi (8,095.29 km) |
| Portland to Digne-les-Bains | 5,498.71 mi (8,849.33 km) |
| Portland to Dijon | 5,281.43 mi (8,499.64 km) |
| Portland to Dinan | 5,021.74 mi (8,081.70 km) |
| Portland to Dinard | 5,011.93 mi (8,065.93 km) |
| Portland to Divonne-les-Bains | 5,366.23 mi (8,636.11 km) |
| Portland to Dole | 5,306.78 mi (8,540.44 km) |
| Portland to Dombasle-sur-Meurthe | 5,241.80 mi (8,435.86 km) |
| Portland to Domerat | 5,267.22 mi (8,476.77 km) |
| Portland to Domont | 5,113.12 mi (8,228.78 km) |
| Portland to Douai | 5,058.57 mi (8,140.99 km) |
| Portland to Douarnenez | 4,973.92 mi (8,004.75 km) |
| Portland to Douchy-les-Mines | 5,070.66 mi (8,160.43 km) |
| Portland to Dourdan | 5,132.14 mi (8,259.38 km) |
