| Ovar to Nowy Dwor Mazowiecki | 1,589.08 mi (2,557.38 km) |
| Ovar to Nowy Sacz | 1,537.30 mi (2,474.05 km) |
| Ovar to Nowy Targ | 1,505.19 mi (2,422.38 km) |
| Ovar to Nowy Tomysl | 1,406.13 mi (2,262.95 km) |
| Ovar to Nysa | 1,408.26 mi (2,266.38 km) |
| Ovar to Oborniki | 1,441.81 mi (2,320.37 km) |
| Ovar to Oborniki Slaskie | 1,409.48 mi (2,268.33 km) |
| Ovar to Olawa | 1,417.07 mi (2,280.56 km) |
| Ovar to Olecko | 1,694.90 mi (2,727.68 km) |
| Ovar to Olesnica | 1,426.65 mi (2,295.97 km) |
| Ovar to Olesno | 1,461.95 mi (2,352.77 km) |
| Ovar to Olkusz | 1,498.84 mi (2,412.16 km) |
| Ovar to Olsztyn | 1,611.71 mi (2,593.80 km) |
| Ovar to Opalenica | 1,416.69 mi (2,279.94 km) |
| Ovar to Opoczno | 1,549.66 mi (2,493.94 km) |
