| Frederikssund to Orzesze | 480.63 mi (773.50 km) |
| Frederikssund to Osowa | 270.86 mi (435.91 km) |
| Frederikssund to Ostroda | 347.42 mi (559.13 km) |
| Frederikssund to Ostroleka | 426.35 mi (686.14 km) |
| Frederikssund to Ostrow Mazowiecka | 447.75 mi (720.59 km) |
| Frederikssund to Ostrow Wielkopolski | 372.27 mi (599.10 km) |
| Frederikssund to Ostrowiec Swietokrzyski | 511.64 mi (823.41 km) |
| Frederikssund to Ostrzeszow | 388.19 mi (624.74 km) |
| Frederikssund to Oswiecim | 498.55 mi (802.34 km) |
| Frederikssund to Otwock | 452.98 mi (729.00 km) |
| Frederikssund to Ozarow Mazowiecki | 433.19 mi (697.15 km) |
| Frederikssund to Ozimek | 437.44 mi (703.99 km) |
| Frederikssund to Ozorkow | 396.73 mi (638.47 km) |
| Frederikssund to Pabianice | 415.45 mi (668.60 km) |
| Frederikssund to Parczew | 527.37 mi (848.71 km) |
