| South Portland to Marly-le-Roi | 3,344.79 mi (5,382.92 km) |
| South Portland to Marmande | 3,384.06 mi (5,446.12 km) |
| South Portland to Maromme | 3,284.73 mi (5,286.26 km) |
| South Portland to Marquette-les-Lille | 3,337.62 mi (5,371.37 km) |
| South Portland to Marseille | 3,652.75 mi (5,878.53 km) |
| South Portland to Martigues | 3,634.91 mi (5,849.83 km) |
| South Portland to Massy | 3,355.86 mi (5,400.74 km) |
| South Portland to Maubeuge | 3,384.95 mi (5,447.55 km) |
| South Portland to Mauguio | 3,582.03 mi (5,764.73 km) |
| South Portland to Mauleon | 3,275.39 mi (5,271.22 km) |
| South Portland to Maurepas | 3,341.33 mi (5,377.35 km) |
| South Portland to Maxeville | 3,518.52 mi (5,662.50 km) |
| South Portland to Mayenne | 3,244.99 mi (5,222.31 km) |
| South Portland to Mazamet | 3,513.28 mi (5,654.07 km) |
| South Portland to Meaux | 3,375.49 mi (5,432.33 km) |
