| Cortona to Orzesze | 572.38 mi (921.15 km) |
| Cortona to Osowa | 824.09 mi (1,326.25 km) |
| Cortona to Ostroda | 806.45 mi (1,297.85 km) |
| Cortona to Ostroleka | 806.20 mi (1,297.45 km) |
| Cortona to Ostrow Mazowiecka | 800.11 mi (1,287.66 km) |
| Cortona to Ostrow Wielkopolski | 638.93 mi (1,028.26 km) |
| Cortona to Ostrowiec Swietokrzyski | 688.71 mi (1,108.38 km) |
| Cortona to Ostrzeszow | 627.09 mi (1,009.20 km) |
| Cortona to Oswiecim | 579.05 mi (931.90 km) |
| Cortona to Otwock | 746.60 mi (1,201.53 km) |
| Cortona to Ozarow Mazowiecki | 739.92 mi (1,190.79 km) |
| Cortona to Ozimek | 588.89 mi (947.72 km) |
| Cortona to Ozorkow | 689.14 mi (1,109.07 km) |
| Cortona to Pabianice | 673.10 mi (1,083.25 km) |
| Cortona to Parczew | 767.63 mi (1,235.38 km) |
