| Opoczno to Montigny-les-Metz | 642.94 mi (1,034.71 km) |
| Opoczno to Montivilliers | 890.16 mi (1,432.57 km) |
| Opoczno to Montlouis-sur-Loire | 914.48 mi (1,471.72 km) |
| Opoczno to Montlucon | 873.10 mi (1,405.12 km) |
| Opoczno to Montmagny | 808.90 mi (1,301.79 km) |
| Opoczno to Montmorency | 809.51 mi (1,302.78 km) |
| Opoczno to Montpellier | 931.89 mi (1,499.74 km) |
| Opoczno to Montreuil | 807.22 mi (1,299.09 km) |
| Opoczno to Montrouge | 813.44 mi (1,309.11 km) |
| Opoczno to Morangis | 815.46 mi (1,312.35 km) |
| Opoczno to Morieres-les-Avignon | 878.27 mi (1,413.44 km) |
| Opoczno to Morlaix | 1,083.67 mi (1,744.00 km) |
| Opoczno to Morsang-sur-Orge | 816.02 mi (1,313.26 km) |
| Opoczno to Mouans-Sartoux | 818.50 mi (1,317.24 km) |
| Opoczno to Mougins | 818.69 mi (1,317.55 km) |
