| Royan to Montigny-les-Metz | 413.46 mi (665.39 km) |
| Royan to Montivilliers | 277.05 mi (445.87 km) |
| Royan to Montlouis-sur-Loire | 150.94 mi (242.91 km) |
| Royan to Montlucon | 181.94 mi (292.80 km) |
| Royan to Montmagny | 280.66 mi (451.68 km) |
| Royan to Montmorency | 281.01 mi (452.24 km) |
| Royan to Montpellier | 278.97 mi (448.97 km) |
| Royan to Montreuil | 277.07 mi (445.89 km) |
| Royan to Montrouge | 271.31 mi (436.62 km) |
| Royan to Morangis | 265.58 mi (427.40 km) |
| Royan to Morieres-les-Avignon | 313.87 mi (505.13 km) |
| Royan to Morlaix | 242.49 mi (390.26 km) |
| Royan to Morsang-sur-Orge | 263.48 mi (424.02 km) |
| Royan to Mouans-Sartoux | 417.53 mi (671.95 km) |
| Royan to Mougins | 419.11 mi (674.49 km) |
