| South Portland to Deville-les-Rouen | 3,285.37 mi (5,287.28 km) |
| South Portland to Dieppe | 3,275.23 mi (5,270.98 km) |
| South Portland to Digne-les-Bains | 3,664.71 mi (5,897.78 km) |
| South Portland to Dijon | 3,511.61 mi (5,651.39 km) |
| South Portland to Dinan | 3,179.75 mi (5,117.31 km) |
| South Portland to Dinard | 3,174.92 mi (5,109.53 km) |
| South Portland to Divonne-les-Bains | 3,588.55 mi (5,775.22 km) |
| South Portland to Dole | 3,538.35 mi (5,694.42 km) |
| South Portland to Dombasle-sur-Meurthe | 3,528.76 mi (5,678.99 km) |
| South Portland to Domerat | 3,433.54 mi (5,525.75 km) |
| South Portland to Domont | 3,350.23 mi (5,391.68 km) |
| South Portland to Douai | 3,346.03 mi (5,384.91 km) |
| South Portland to Douarnenez | 3,090.31 mi (4,973.38 km) |
| South Portland to Douchy-les-Mines | 3,360.65 mi (5,408.44 km) |
| South Portland to Dourdan | 3,350.35 mi (5,391.86 km) |
