| Opatija to Mondolfo | 124.33 mi (200.09 km) |
| Opatija to Mondovi | 324.15 mi (521.67 km) |
| Opatija to Monesiglio | 308.40 mi (496.33 km) |
| Opatija to Monfalcone | 49.14 mi (79.09 km) |
| Opatija to Monopoli | 338.46 mi (544.70 km) |
| Opatija to Monreale | 503.73 mi (810.68 km) |
| Opatija to Monselice | 124.15 mi (199.81 km) |
| Opatija to Monserrato | 495.68 mi (797.72 km) |
| Opatija to Monsummano | 199.06 mi (320.35 km) |
| Opatija to Montagnana | 137.95 mi (222.01 km) |
| Opatija to Montale | 188.17 mi (302.83 km) |
| Opatija to Montalto di Castro | 246.12 mi (396.09 km) |
| Opatija to Montalto Uffugo | 420.66 mi (676.98 km) |
| Opatija to Monte Compatri | 255.81 mi (411.69 km) |
| Opatija to Monte di Procida | 313.47 mi (504.49 km) |
