| Cities | Distance |
|---|---|
| Ostrov to Novi di Modena | 385.80 mi (620.89 km) |
| Ostrov to Novi Ligure | 429.28 mi (690.86 km) |
| Ostrov to Nuoro | 711.86 mi (1,145.63 km) |
| Ostrov to Occhiobello | 377.35 mi (607.28 km) |
| Ostrov to Oderzo | 313.34 mi (504.27 km) |
| Ostrov to Oggiono | 353.64 mi (569.14 km) |
| Ostrov to Olbia | 669.50 mi (1,077.46 km) |
| Ostrov to Oleggio | 381.20 mi (613.48 km) |
| Ostrov to Olgiate Comasco | 362.26 mi (583.00 km) |
| Ostrov to Olgiate Olona | 373.28 mi (600.73 km) |
| Ostrov to Omegna | 370.45 mi (596.18 km) |
| Ostrov to Opera | 381.30 mi (613.65 km) |
| Ostrov to Oppeano | 355.32 mi (571.84 km) |
| Ostrov to Orbassano | 443.86 mi (714.32 km) |
| Ostrov to Orbetello | 549.69 mi (884.63 km) |