| Opatija to Miedzyrzec Podlaski | 600.03 mi (965.66 km) |
| Opatija to Miedzyrzecz | 495.05 mi (796.70 km) |
| Opatija to Mielec | 475.55 mi (765.32 km) |
| Opatija to Mikolow | 396.30 mi (637.78 km) |
| Opatija to Milanowek | 552.11 mi (888.54 km) |
| Opatija to Milicz | 449.58 mi (723.53 km) |
| Opatija to Minsk Mazowiecki | 576.92 mi (928.46 km) |
| Opatija to Mlawa | 602.93 mi (970.33 km) |
| Opatija to Mogilno | 531.75 mi (855.77 km) |
| Opatija to Monki | 675.35 mi (1,086.88 km) |
| Opatija to Morag | 643.93 mi (1,036.30 km) |
| Opatija to Mosina | 491.43 mi (790.89 km) |
| Opatija to Mragowo | 667.00 mi (1,073.43 km) |
| Opatija to Murowana Goslina | 514.66 mi (828.26 km) |
| Opatija to Myslenice | 406.94 mi (654.90 km) |
