| Port Laoise to Montigny-les-Metz | 642.91 mi (1,034.67 km) |
| Port Laoise to Montivilliers | 403.01 mi (648.58 km) |
| Port Laoise to Montlouis-sur-Loire | 529.60 mi (852.31 km) |
| Port Laoise to Montlucon | 638.93 mi (1,028.27 km) |
| Port Laoise to Montmagny | 503.83 mi (810.84 km) |
| Port Laoise to Montmorency | 502.29 mi (808.35 km) |
| Port Laoise to Montpellier | 827.01 mi (1,330.95 km) |
| Port Laoise to Montreuil | 512.10 mi (824.14 km) |
| Port Laoise to Montrouge | 509.62 mi (820.15 km) |
| Port Laoise to Morangis | 514.87 mi (828.60 km) |
| Port Laoise to Morieres-les-Avignon | 838.44 mi (1,349.33 km) |
| Port Laoise to Morlaix | 342.94 mi (551.90 km) |
| Port Laoise to Morsang-sur-Orge | 517.22 mi (832.38 km) |
| Port Laoise to Mouans-Sartoux | 920.24 mi (1,480.99 km) |
| Port Laoise to Mougins | 922.03 mi (1,483.87 km) |
