| Cities | Distance |
|---|---|
| Naples to Oria | 178.79 mi (287.74 km) |
| Naples to Oristano | 304.62 mi (490.24 km) |
| Naples to Orta Nova | 83.51 mi (134.40 km) |
| Naples to Orte | 147.97 mi (238.14 km) |
| Naples to Ortona | 105.08 mi (169.11 km) |
| Naples to Orvieto | 170.63 mi (274.60 km) |
| Naples to Orzinuovi | 383.22 mi (616.73 km) |
| Naples to Osimo | 187.26 mi (301.36 km) |
| Naples to Ospitaletto | 388.08 mi (624.56 km) |
| Naples to Ostuni | 174.51 mi (280.85 km) |
| Naples to Ottaviano | 11.95 mi (19.23 km) |
| Naples to Ovada | 387.14 mi (623.05 km) |
| Naples to Ozieri | 275.29 mi (443.03 km) |
| Naples to Paceco | 216.81 mi (348.92 km) |
| Naples to Pachino | 288.09 mi (463.63 km) |