| Ospitaletto to Orzesze | 511.90 mi (823.83 km) |
| Ospitaletto to Osowa | 716.44 mi (1,153.00 km) |
| Ospitaletto to Ostroda | 714.67 mi (1,150.15 km) |
| Ospitaletto to Ostroleka | 731.39 mi (1,177.06 km) |
| Ospitaletto to Ostrow Mazowiecka | 730.36 mi (1,175.39 km) |
| Ospitaletto to Ostrow Wielkopolski | 549.34 mi (884.08 km) |
| Ospitaletto to Ostrowiec Swietokrzyski | 638.95 mi (1,028.29 km) |
| Ospitaletto to Ostrzeszow | 541.22 mi (871.01 km) |
| Ospitaletto to Oswiecim | 524.96 mi (844.84 km) |
| Ospitaletto to Otwock | 680.30 mi (1,094.83 km) |
| Ospitaletto to Ozarow Mazowiecki | 669.05 mi (1,076.73 km) |
| Ospitaletto to Ozimek | 515.22 mi (829.17 km) |
| Ospitaletto to Ozorkow | 609.17 mi (980.36 km) |
| Ospitaletto to Pabianice | 597.68 mi (961.87 km) |
| Ospitaletto to Parczew | 718.18 mi (1,155.80 km) |
