| Southwick to Marly-le-Roi | 171.19 mi (275.51 km) |
| Southwick to Marmande | 438.18 mi (705.18 km) |
| Southwick to Maromme | 109.40 mi (176.05 km) |
| Southwick to Marquette-les-Lille | 144.88 mi (233.16 km) |
| Southwick to Marseille | 583.59 mi (939.20 km) |
| Southwick to Martigues | 570.05 mi (917.40 km) |
| Southwick to Massy | 183.54 mi (295.39 km) |
| Southwick to Maubeuge | 188.86 mi (303.94 km) |
| Southwick to Mauguio | 536.92 mi (864.09 km) |
| Southwick to Mauleon | 271.37 mi (436.72 km) |
| Southwick to Maurepas | 173.22 mi (278.77 km) |
| Southwick to Maxeville | 321.03 mi (516.64 km) |
| Southwick to Mayenne | 175.81 mi (282.94 km) |
| Southwick to Mazamet | 521.98 mi (840.05 km) |
| Southwick to Meaux | 190.15 mi (306.01 km) |
