| Castel Gandolfo to Marly-le-Roi | 709.55 mi (1,141.91 km) |
| Castel Gandolfo to Marmande | 657.03 mi (1,057.39 km) |
| Castel Gandolfo to Maromme | 773.26 mi (1,244.45 km) |
| Castel Gandolfo to Marquette-les-Lille | 767.19 mi (1,234.68 km) |
| Castel Gandolfo to Marseille | 385.82 mi (620.91 km) |
| Castel Gandolfo to Martigues | 403.34 mi (649.12 km) |
| Castel Gandolfo to Massy | 697.34 mi (1,122.26 km) |
| Castel Gandolfo to Maubeuge | 720.63 mi (1,159.73 km) |
| Castel Gandolfo to Mauguio | 457.43 mi (736.16 km) |
| Castel Gandolfo to Mauleon | 751.28 mi (1,209.06 km) |
| Castel Gandolfo to Maurepas | 710.20 mi (1,142.95 km) |
| Castel Gandolfo to Maxeville | 575.07 mi (925.48 km) |
| Castel Gandolfo to Mayenne | 788.73 mi (1,269.34 km) |
| Castel Gandolfo to Mazamet | 535.94 mi (862.52 km) |
| Castel Gandolfo to Meaux | 686.77 mi (1,105.24 km) |
