| Montornes del Valles to Opole | 976.54 mi (1,571.58 km) |
| Montornes del Valles to Orzesze | 987.76 mi (1,589.65 km) |
| Montornes del Valles to Osowa | 1,157.85 mi (1,863.38 km) |
| Montornes del Valles to Ostroda | 1,170.51 mi (1,883.76 km) |
| Montornes del Valles to Ostroleka | 1,197.80 mi (1,927.68 km) |
| Montornes del Valles to Ostrow Mazowiecka | 1,199.32 mi (1,930.12 km) |
| Montornes del Valles to Ostrow Wielkopolski | 1,012.18 mi (1,628.95 km) |
| Montornes del Valles to Ostrowiec Swietokrzyski | 1,115.70 mi (1,795.54 km) |
| Montornes del Valles to Ostrzeszow | 1,006.51 mi (1,619.83 km) |
| Montornes del Valles to Oswiecim | 1,001.99 mi (1,612.54 km) |
| Montornes del Valles to Otwock | 1,151.60 mi (1,853.32 km) |
| Montornes del Valles to Ozarow Mazowiecki | 1,138.61 mi (1,832.42 km) |
| Montornes del Valles to Ozimek | 986.96 mi (1,588.35 km) |
| Montornes del Valles to Ozorkow | 1,075.63 mi (1,731.06 km) |
| Montornes del Valles to Pabianice | 1,066.67 mi (1,716.65 km) |
