| Castlebar to Mions | 848.90 mi (1,366.17 km) |
| Castlebar to Mios | 741.35 mi (1,193.09 km) |
| Castlebar to Miramas | 960.44 mi (1,545.68 km) |
| Castlebar to Miribel | 840.78 mi (1,353.11 km) |
| Castlebar to Mitry-Mory | 612.86 mi (986.30 km) |
| Castlebar to Moissac | 820.42 mi (1,320.34 km) |
| Castlebar to Moissy-Cramayel | 627.48 mi (1,009.83 km) |
| Castlebar to Molsheim | 811.78 mi (1,306.44 km) |
| Castlebar to Mondeville | 503.19 mi (809.80 km) |
| Castlebar to Monistrol-sur-Loire | 842.77 mi (1,356.31 km) |
| Castlebar to Mons-en-Baroeul | 569.25 mi (916.12 km) |
| Castlebar to Mont-de-Marsan | 795.18 mi (1,279.71 km) |
| Castlebar to Mont-Saint-Aignan | 538.14 mi (866.05 km) |
| Castlebar to Mont-Saint-Martin | 709.49 mi (1,141.81 km) |
| Castlebar to Montargis | 660.86 mi (1,063.55 km) |
