| South Portland to Rochefort | 3,293.00 mi (5,299.57 km) |
| South Portland to Rodez | 3,495.54 mi (5,625.53 km) |
| South Portland to Rognac | 3,640.39 mi (5,858.63 km) |
| South Portland to Roissy-en-Brie | 3,370.21 mi (5,423.82 km) |
| South Portland to Romainville | 3,358.61 mi (5,405.15 km) |
| South Portland to Romans-sur-Isere | 3,582.50 mi (5,765.48 km) |
| South Portland to Rombas | 3,500.13 mi (5,632.91 km) |
| South Portland to Romilly-sur-Seine | 3,422.77 mi (5,508.41 km) |
| South Portland to Ronchin | 3,340.32 mi (5,375.73 km) |
| South Portland to Roncq | 3,337.83 mi (5,371.71 km) |
| South Portland to Roquebrune-sur-Argens | 3,703.78 mi (5,960.65 km) |
| South Portland to Roquevaire | 3,661.38 mi (5,892.42 km) |
| South Portland to Rosny-sous-Bois | 3,361.09 mi (5,409.16 km) |
| South Portland to Roubaix | 3,341.95 mi (5,378.35 km) |
| South Portland to Rouen | 3,287.68 mi (5,291.00 km) |
