| Opatija to Montivilliers | 719.41 mi (1,157.78 km) |
| Opatija to Montlouis-sur-Loire | 657.01 mi (1,057.36 km) |
| Opatija to Montlucon | 566.81 mi (912.18 km) |
| Opatija to Montmagny | 614.54 mi (989.00 km) |
| Opatija to Montmorency | 615.91 mi (991.22 km) |
| Opatija to Montpellier | 527.06 mi (848.22 km) |
| Opatija to Montreuil | 607.76 mi (978.10 km) |
| Opatija to Montrouge | 612.02 mi (984.95 km) |
| Opatija to Morangis | 609.06 mi (980.18 km) |
| Opatija to Morieres-les-Avignon | 471.52 mi (758.84 km) |
| Opatija to Morlaix | 881.48 mi (1,418.60 km) |
| Opatija to Morsang-sur-Orge | 607.62 mi (977.86 km) |
| Opatija to Mouans-Sartoux | 380.01 mi (611.57 km) |
| Opatija to Mougins | 379.44 mi (610.65 km) |
| Opatija to Moulins | 533.26 mi (858.19 km) |
