| Horten to Orzesze | 719.93 mi (1,158.62 km) |
| Horten to Osowa | 458.62 mi (738.08 km) |
| Horten to Ostroda | 535.66 mi (862.06 km) |
| Horten to Ostroleka | 611.25 mi (983.71 km) |
| Horten to Ostrow Mazowiecka | 634.29 mi (1,020.80 km) |
| Horten to Ostrow Wielkopolski | 608.80 mi (979.78 km) |
| Horten to Ostrowiec Swietokrzyski | 726.83 mi (1,169.73 km) |
| Horten to Ostrzeszow | 625.50 mi (1,006.64 km) |
| Horten to Oswiecim | 735.62 mi (1,183.86 km) |
| Horten to Otwock | 655.62 mi (1,055.12 km) |
| Horten to Ozarow Mazowiecki | 638.60 mi (1,027.72 km) |
| Horten to Ozimek | 677.30 mi (1,090.02 km) |
| Horten to Ozorkow | 618.57 mi (995.50 km) |
| Horten to Pabianice | 639.68 mi (1,029.47 km) |
| Horten to Parczew | 722.95 mi (1,163.47 km) |
