| Guastalla to Montigny-les-Metz | 358.71 mi (577.28 km) |
| Guastalla to Montivilliers | 585.70 mi (942.60 km) |
| Guastalla to Montlouis-sur-Loire | 500.53 mi (805.53 km) |
| Guastalla to Montlucon | 401.63 mi (646.37 km) |
| Guastalla to Montmagny | 481.86 mi (775.49 km) |
| Guastalla to Montmorency | 483.37 mi (777.92 km) |
| Guastalla to Montpellier | 347.71 mi (559.58 km) |
| Guastalla to Montreuil | 473.96 mi (762.77 km) |
| Guastalla to Montrouge | 477.08 mi (767.79 km) |
| Guastalla to Morangis | 472.65 mi (760.66 km) |
| Guastalla to Morieres-les-Avignon | 292.10 mi (470.09 km) |
| Guastalla to Morlaix | 729.97 mi (1,174.77 km) |
| Guastalla to Morsang-sur-Orge | 470.65 mi (757.43 km) |
| Guastalla to Mouans-Sartoux | 203.55 mi (327.59 km) |
| Guastalla to Mougins | 203.18 mi (326.99 km) |
