| Castel Gandolfo to Montigny-les-Metz | 597.36 mi (961.36 km) |
| Castel Gandolfo to Montivilliers | 806.08 mi (1,297.26 km) |
| Castel Gandolfo to Montlouis-sur-Loire | 699.32 mi (1,125.45 km) |
| Castel Gandolfo to Montlucon | 590.76 mi (950.73 km) |
| Castel Gandolfo to Montmagny | 705.67 mi (1,135.66 km) |
| Castel Gandolfo to Montmorency | 707.22 mi (1,138.17 km) |
| Castel Gandolfo to Montpellier | 463.70 mi (746.25 km) |
| Castel Gandolfo to Montreuil | 697.21 mi (1,122.05 km) |
| Castel Gandolfo to Montrouge | 699.43 mi (1,125.62 km) |
| Castel Gandolfo to Morangis | 694.04 mi (1,116.95 km) |
| Castel Gandolfo to Morieres-les-Avignon | 420.54 mi (676.79 km) |
| Castel Gandolfo to Morlaix | 928.43 mi (1,494.17 km) |
| Castel Gandolfo to Morsang-sur-Orge | 691.66 mi (1,113.12 km) |
| Castel Gandolfo to Mouans-Sartoux | 316.10 mi (508.72 km) |
| Castel Gandolfo to Mougins | 314.52 mi (506.18 km) |
