| Keystone to Montigny-les-Metz | 4,722.51 mi (7,600.15 km) |
| Keystone to Montivilliers | 4,456.11 mi (7,171.41 km) |
| Keystone to Montlouis-sur-Loire | 4,522.79 mi (7,278.73 km) |
| Keystone to Montlucon | 4,623.73 mi (7,441.17 km) |
| Keystone to Montmagny | 4,560.34 mi (7,339.16 km) |
| Keystone to Montmorency | 4,559.01 mi (7,337.02 km) |
| Keystone to Montpellier | 4,741.59 mi (7,630.86 km) |
| Keystone to Montreuil | 4,566.75 mi (7,349.47 km) |
| Keystone to Montrouge | 4,562.27 mi (7,342.26 km) |
| Keystone to Morangis | 4,564.94 mi (7,346.56 km) |
| Keystone to Morieres-les-Avignon | 4,782.44 mi (7,696.59 km) |
| Keystone to Morlaix | 4,294.17 mi (6,910.80 km) |
| Keystone to Morsang-sur-Orge | 4,566.29 mi (7,348.74 km) |
| Keystone to Mouans-Sartoux | 4,886.88 mi (7,864.68 km) |
| Keystone to Mougins | 4,888.44 mi (7,867.19 km) |
