| Cities | Distance |
|---|---|
| Ostrov to Oria | 714.40 mi (1,149.72 km) |
| Ostrov to Oristano | 748.87 mi (1,205.19 km) |
| Ostrov to Orta Nova | 634.21 mi (1,020.66 km) |
| Ostrov to Orte | 542.72 mi (873.43 km) |
| Ostrov to Ortona | 554.08 mi (891.70 km) |
| Ostrov to Orvieto | 525.73 mi (846.08 km) |
| Ostrov to Orzinuovi | 366.42 mi (589.70 km) |
| Ostrov to Osimo | 472.10 mi (759.77 km) |
| Ostrov to Ospitaletto | 353.97 mi (569.66 km) |
| Ostrov to Ostuni | 698.22 mi (1,123.68 km) |
| Ostrov to Ottaviano | 657.53 mi (1,058.19 km) |
| Ostrov to Ovada | 439.70 mi (707.63 km) |
| Ostrov to Ozieri | 697.97 mi (1,123.28 km) |
| Ostrov to Paceco | 851.63 mi (1,370.57 km) |
| Ostrov to Pachino | 945.04 mi (1,520.90 km) |