| Ovada to Orzesze | 605.97 mi (975.22 km) |
| Ovada to Osowa | 805.45 mi (1,296.24 km) |
| Ovada to Ostroda | 806.36 mi (1,297.72 km) |
| Ovada to Ostroleka | 824.74 mi (1,327.28 km) |
| Ovada to Ostrow Mazowiecka | 824.01 mi (1,326.12 km) |
| Ovada to Ostrow Wielkopolski | 641.92 mi (1,033.07 km) |
| Ovada to Ostrowiec Swietokrzyski | 732.96 mi (1,179.59 km) |
| Ovada to Ostrzeszow | 634.19 mi (1,020.63 km) |
| Ovada to Oswiecim | 618.96 mi (996.13 km) |
| Ovada to Otwock | 774.16 mi (1,245.89 km) |
| Ovada to Ozarow Mazowiecki | 762.74 mi (1,227.50 km) |
| Ovada to Ozimek | 609.05 mi (980.17 km) |
| Ovada to Ozorkow | 702.41 mi (1,130.42 km) |
| Ovada to Pabianice | 691.25 mi (1,112.45 km) |
| Ovada to Parczew | 812.23 mi (1,307.16 km) |
