| Castelnau-le-Lez to Marmande | 194.83 mi (313.55 km) |
| Castelnau-le-Lez to Maromme | 426.01 mi (685.60 km) |
| Castelnau-le-Lez to Marquette-les-Lille | 487.91 mi (785.22 km) |
| Castelnau-le-Lez to Marseille | 77.29 mi (124.38 km) |
| Castelnau-le-Lez to Martigues | 59.58 mi (95.89 km) |
| Castelnau-le-Lez to Massy | 360.48 mi (580.13 km) |
| Castelnau-le-Lez to Maubeuge | 458.83 mi (738.42 km) |
| Castelnau-le-Lez to Mauguio | 5.47 mi (8.80 km) |
| Castelnau-le-Lez to Mauleon | 320.34 mi (515.53 km) |
| Castelnau-le-Lez to Maurepas | 366.28 mi (589.47 km) |
| Castelnau-le-Lez to Maxeville | 366.88 mi (590.44 km) |
| Castelnau-le-Lez to Mayenne | 388.39 mi (625.05 km) |
| Castelnau-le-Lez to Mazamet | 77.18 mi (124.21 km) |
| Castelnau-le-Lez to Meaux | 370.97 mi (597.02 km) |
| Castelnau-le-Lez to Melun | 343.99 mi (553.59 km) |
