| Opatija to Monticello Conte Otto | 132.92 mi (213.91 km) |
| Opatija to Montichiari | 189.76 mi (305.39 km) |
| Opatija to Montignoso | 222.49 mi (358.06 km) |
| Opatija to Montopoli in Val d'Arno | 209.41 mi (337.01 km) |
| Opatija to Monza | 244.17 mi (392.96 km) |
| Opatija to Morbegno | 234.83 mi (377.92 km) |
| Opatija to Mori | 164.27 mi (264.37 km) |
| Opatija to Morlupo | 237.90 mi (382.87 km) |
| Opatija to Morrovalle | 143.76 mi (231.37 km) |
| Opatija to Mortara | 269.78 mi (434.16 km) |
| Opatija to Mosciano Sant'Angelo | 179.68 mi (289.17 km) |
| Opatija to Motta di Livenza | 87.45 mi (140.73 km) |
| Opatija to Motta Sant'Anastasia | 542.32 mi (872.79 km) |
| Opatija to Mottola | 352.85 mi (567.85 km) |
| Opatija to Mozzate | 260.13 mi (418.64 km) |
