| Koper to Marsala | 539.76 mi (868.66 km) |
| Koper to Marsciano | 194.69 mi (313.32 km) |
| Koper to Martano | 435.84 mi (701.42 km) |
| Koper to Martellago | 76.25 mi (122.71 km) |
| Koper to Martina Franca | 381.02 mi (613.19 km) |
| Koper to Martinengo | 191.84 mi (308.74 km) |
| Koper to Martinsicuro | 184.47 mi (296.88 km) |
| Koper to Mascali | 544.19 mi (875.80 km) |
| Koper to Mascalucia | 555.75 mi (894.40 km) |
| Koper to Masera di Padova | 91.92 mi (147.94 km) |
| Koper to Maserada sul Piave | 69.80 mi (112.33 km) |
| Koper to Massa | 205.25 mi (330.32 km) |
| Koper to Massa Lombarda | 120.59 mi (194.08 km) |
| Koper to Massafra | 383.22 mi (616.74 km) |
| Koper to Massalubrense | 342.27 mi (550.83 km) |
