| Castelldefels to Marly-le-Roi | 524.24 mi (843.67 km) |
| Castelldefels to Marmande | 240.62 mi (387.24 km) |
| Castelldefels to Maromme | 568.50 mi (914.91 km) |
| Castelldefels to Marquette-les-Lille | 651.27 mi (1,048.12 km) |
| Castelldefels to Marseille | 222.44 mi (357.97 km) |
| Castelldefels to Martigues | 214.81 mi (345.71 km) |
| Castelldefels to Massy | 515.01 mi (828.82 km) |
| Castelldefels to Maubeuge | 629.01 mi (1,012.29 km) |
| Castelldefels to Mauguio | 191.76 mi (308.62 km) |
| Castelldefels to Mauleon | 412.61 mi (664.03 km) |
| Castelldefels to Maurepas | 517.01 mi (832.05 km) |
| Castelldefels to Maxeville | 552.48 mi (889.13 km) |
| Castelldefels to Mayenne | 501.52 mi (807.11 km) |
| Castelldefels to Mazamet | 154.15 mi (248.08 km) |
| Castelldefels to Meaux | 532.50 mi (856.98 km) |
