| Nettuno to Marsala | 253.78 mi (408.41 km) |
| Nettuno to Marsciano | 101.63 mi (163.56 km) |
| Nettuno to Martano | 307.15 mi (494.32 km) |
| Nettuno to Martellago | 283.05 mi (455.53 km) |
| Nettuno to Martina Franca | 248.71 mi (400.25 km) |
| Nettuno to Martinengo | 318.53 mi (512.62 km) |
| Nettuno to Martinsicuro | 116.94 mi (188.20 km) |
| Nettuno to Mascali | 290.02 mi (466.74 km) |
| Nettuno to Mascalucia | 297.87 mi (479.38 km) |
| Nettuno to Masera di Padova | 269.02 mi (432.95 km) |
| Nettuno to Maserada sul Piave | 296.46 mi (477.11 km) |
| Nettuno to Massa | 218.99 mi (352.44 km) |
| Nettuno to Massa Lombarda | 210.56 mi (338.86 km) |
| Nettuno to Massafra | 239.82 mi (385.96 km) |
| Nettuno to Massalubrense | 105.56 mi (169.89 km) |
