| Formello to Orzesze | 634.38 mi (1,020.94 km) |
| Formello to Osowa | 896.61 mi (1,442.96 km) |
| Formello to Ostroda | 874.67 mi (1,407.65 km) |
| Formello to Ostroleka | 869.30 mi (1,399.00 km) |
| Formello to Ostrow Mazowiecka | 861.67 mi (1,386.73 km) |
| Formello to Ostrow Wielkopolski | 708.26 mi (1,139.83 km) |
| Formello to Ostrowiec Swietokrzyski | 745.18 mi (1,199.25 km) |
| Formello to Ostrzeszow | 695.55 mi (1,119.38 km) |
| Formello to Oswiecim | 638.94 mi (1,028.28 km) |
| Formello to Otwock | 807.66 mi (1,299.81 km) |
| Formello to Ozarow Mazowiecki | 802.51 mi (1,291.52 km) |
| Formello to Ozimek | 654.50 mi (1,053.31 km) |
| Formello to Ozorkow | 755.11 mi (1,215.24 km) |
| Formello to Pabianice | 737.93 mi (1,187.59 km) |
| Formello to Parczew | 822.84 mi (1,324.23 km) |
