| Cities | Distance |
|---|---|
| Nettuno to Oria | 267.48 mi (430.47 km) |
| Nettuno to Oristano | 239.16 mi (384.89 km) |
| Nettuno to Orta Nova | 158.07 mi (254.39 km) |
| Nettuno to Orte | 70.15 mi (112.89 km) |
| Nettuno to Ortona | 108.02 mi (173.83 km) |
| Nettuno to Orvieto | 91.06 mi (146.55 km) |
| Nettuno to Orzinuovi | 304.36 mi (489.82 km) |
| Nettuno to Osimo | 145.41 mi (234.02 km) |
| Nettuno to Ospitaletto | 310.91 mi (500.36 km) |
| Nettuno to Ostuni | 260.92 mi (419.91 km) |
| Nettuno to Ottaviano | 103.38 mi (166.38 km) |
| Nettuno to Ovada | 298.67 mi (480.66 km) |
| Nettuno to Ozieri | 200.42 mi (322.54 km) |
| Nettuno to Paceco | 240.76 mi (387.46 km) |
| Nettuno to Pachino | 353.14 mi (568.32 km) |