| San Severino Marche to Orzesze | 545.93 mi (878.59 km) |
| San Severino Marche to Osowa | 809.75 mi (1,303.17 km) |
| San Severino Marche to Ostroda | 786.65 mi (1,266.00 km) |
| San Severino Marche to Ostroleka | 780.84 mi (1,256.65 km) |
| San Severino Marche to Ostrow Mazowiecka | 773.24 mi (1,244.42 km) |
| San Severino Marche to Ostrow Wielkopolski | 620.56 mi (998.70 km) |
| San Severino Marche to Ostrowiec Swietokrzyski | 657.19 mi (1,057.65 km) |
| San Severino Marche to Ostrzeszow | 607.67 mi (977.95 km) |
| San Severino Marche to Oswiecim | 550.56 mi (886.04 km) |
| San Severino Marche to Otwock | 719.25 mi (1,157.51 km) |
| San Severino Marche to Ozarow Mazowiecki | 714.06 mi (1,149.17 km) |
| San Severino Marche to Ozimek | 566.21 mi (911.23 km) |
| San Severino Marche to Ozorkow | 666.83 mi (1,073.15 km) |
| San Severino Marche to Pabianice | 649.56 mi (1,045.36 km) |
| San Severino Marche to Parczew | 735.10 mi (1,183.02 km) |
