| Marum to Orzesze | 572.96 mi (922.09 km) |
| Marum to Osowa | 505.23 mi (813.09 km) |
| Marum to Ostroda | 564.44 mi (908.38 km) |
| Marum to Ostroleka | 633.41 mi (1,019.38 km) |
| Marum to Ostrow Mazowiecka | 649.59 mi (1,045.41 km) |
| Marum to Ostrow Wielkopolski | 497.23 mi (800.22 km) |
| Marum to Ostrowiec Swietokrzyski | 659.76 mi (1,061.79 km) |
| Marum to Ostrzeszow | 506.83 mi (815.67 km) |
| Marum to Oswiecim | 595.13 mi (957.76 km) |
| Marum to Otwock | 631.86 mi (1,016.88 km) |
| Marum to Ozarow Mazowiecki | 611.07 mi (983.43 km) |
| Marum to Ozimek | 536.41 mi (863.26 km) |
| Marum to Ozorkow | 552.05 mi (888.45 km) |
| Marum to Pabianice | 561.74 mi (904.04 km) |
| Marum to Parczew | 706.09 mi (1,136.35 km) |
