| Cities | Distance |
|---|---|
| Ottaviano to Orbetello | 201.17 mi (323.75 km) |
| Ottaviano to Oria | 167.12 mi (268.95 km) |
| Ottaviano to Oristano | 316.53 mi (509.40 km) |
| Ottaviano to Orta Nova | 72.33 mi (116.41 km) |
| Ottaviano to Orte | 155.02 mi (249.49 km) |
| Ottaviano to Ortona | 103.72 mi (166.92 km) |
| Ottaviano to Orvieto | 177.57 mi (285.77 km) |
| Ottaviano to Orzinuovi | 388.89 mi (625.85 km) |
| Ottaviano to Osimo | 188.93 mi (304.05 km) |
| Ottaviano to Ospitaletto | 393.42 mi (633.16 km) |
| Ottaviano to Ostuni | 162.66 mi (261.77 km) |
| Ottaviano to Ovada | 394.89 mi (635.51 km) |
| Ottaviano to Ozieri | 287.21 mi (462.22 km) |
| Ottaviano to Paceco | 223.18 mi (359.18 km) |
| Ottaviano to Pachino | 287.54 mi (462.75 km) |