| Altena to Orzesze | 490.75 mi (789.79 km) |
| Altena to Osowa | 499.09 mi (803.21 km) |
| Altena to Ostroda | 542.46 mi (873.01 km) |
| Altena to Ostroleka | 600.35 mi (966.17 km) |
| Altena to Ostrow Mazowiecka | 612.54 mi (985.79 km) |
| Altena to Ostrow Wielkopolski | 437.11 mi (703.46 km) |
| Altena to Ostrowiec Swietokrzyski | 595.31 mi (958.07 km) |
| Altena to Ostrzeszow | 442.67 mi (712.40 km) |
| Altena to Oswiecim | 512.89 mi (825.42 km) |
| Altena to Otwock | 584.14 mi (940.08 km) |
| Altena to Ozarow Mazowiecki | 564.45 mi (908.39 km) |
| Altena to Ozimek | 460.35 mi (740.86 km) |
| Altena to Ozorkow | 499.77 mi (804.30 km) |
| Altena to Pabianice | 504.26 mi (811.53 km) |
| Altena to Parczew | 653.48 mi (1,051.67 km) |
