| Seregno to Orzesze | 540.04 mi (869.12 km) |
| Seregno to Osowa | 731.48 mi (1,177.21 km) |
| Seregno to Ostroda | 733.99 mi (1,181.24 km) |
| Seregno to Ostroleka | 754.61 mi (1,214.43 km) |
| Seregno to Ostrow Mazowiecka | 754.69 mi (1,214.55 km) |
| Seregno to Ostrow Wielkopolski | 570.67 mi (918.41 km) |
| Seregno to Ostrowiec Swietokrzyski | 667.88 mi (1,074.85 km) |
| Seregno to Ostrzeszow | 563.55 mi (906.94 km) |
| Seregno to Oswiecim | 554.15 mi (891.82 km) |
| Seregno to Otwock | 705.70 mi (1,135.71 km) |
| Seregno to Ozarow Mazowiecki | 693.57 mi (1,116.20 km) |
| Seregno to Ozimek | 540.63 mi (870.06 km) |
| Seregno to Ozorkow | 632.17 mi (1,017.39 km) |
| Seregno to Pabianice | 621.81 mi (1,000.71 km) |
| Seregno to Parczew | 746.63 mi (1,201.58 km) |
