| Swansea to Marly-le-Roi | 4,367.41 mi (7,028.66 km) |
| Swansea to Marmande | 4,435.31 mi (7,137.94 km) |
| Swansea to Maromme | 4,305.37 mi (6,928.83 km) |
| Swansea to Marquette-les-Lille | 4,345.23 mi (6,992.98 km) |
| Swansea to Marseille | 4,699.87 mi (7,563.71 km) |
| Swansea to Martigues | 4,682.17 mi (7,535.23 km) |
| Swansea to Massy | 4,379.01 mi (7,047.34 km) |
| Swansea to Maubeuge | 4,393.47 mi (7,070.61 km) |
| Swansea to Mauguio | 4,630.35 mi (7,451.83 km) |
| Swansea to Mauleon | 4,315.72 mi (6,945.49 km) |
| Swansea to Maurepas | 4,364.96 mi (7,024.72 km) |
| Swansea to Maxeville | 4,532.97 mi (7,295.12 km) |
| Swansea to Mayenne | 4,276.78 mi (6,882.82 km) |
| Swansea to Mazamet | 4,565.22 mi (7,347.01 km) |
| Swansea to Meaux | 4,395.77 mi (7,074.31 km) |
