| Opava to Monticello Conte Otto | 419.25 mi (674.72 km) |
| Opava to Montichiari | 468.38 mi (753.78 km) |
| Opava to Montignoso | 547.55 mi (881.19 km) |
| Opava to Montopoli in Val d'Arno | 549.25 mi (883.93 km) |
| Opava to Monza | 500.69 mi (805.78 km) |
| Opava to Morbegno | 465.93 mi (749.84 km) |
| Opava to Mori | 426.99 mi (687.17 km) |
| Opava to Morlupo | 597.20 mi (961.10 km) |
| Opava to Morrovalle | 501.12 mi (806.48 km) |
| Opava to Mortara | 534.97 mi (860.94 km) |
| Opava to Mosciano Sant'Angelo | 532.19 mi (856.48 km) |
| Opava to Motta di Livenza | 377.73 mi (607.89 km) |
| Opava to Motta Sant'Anastasia | 871.64 mi (1,402.76 km) |
| Opava to Mottola | 644.28 mi (1,036.87 km) |
| Opava to Mozzate | 508.43 mi (818.24 km) |
