| Opoczno to Mions | 802.92 mi (1,292.18 km) |
| Opoczno to Mios | 1,082.00 mi (1,741.31 km) |
| Opoczno to Miramas | 891.23 mi (1,434.30 km) |
| Opoczno to Miribel | 796.59 mi (1,281.98 km) |
| Opoczno to Mitry-Mory | 797.04 mi (1,282.72 km) |
| Opoczno to Moissac | 1,019.53 mi (1,640.77 km) |
| Opoczno to Moissy-Cramayel | 806.32 mi (1,297.65 km) |
| Opoczno to Molsheim | 600.55 mi (966.48 km) |
| Opoczno to Mondeville | 919.47 mi (1,479.74 km) |
| Opoczno to Monistrol-sur-Loire | 848.60 mi (1,365.69 km) |
| Opoczno to Mons-en-Baroeul | 746.79 mi (1,201.84 km) |
| Opoczno to Mont-de-Marsan | 1,092.04 mi (1,757.47 km) |
| Opoczno to Mont-Saint-Aignan | 852.99 mi (1,372.75 km) |
| Opoczno to Mont-Saint-Martin | 649.49 mi (1,045.26 km) |
| Opoczno to Montargis | 816.44 mi (1,313.93 km) |
