| Frederikshavn to Orzesze | 604.22 mi (972.39 km) |
| Frederikshavn to Osowa | 370.74 mi (596.65 km) |
| Frederikshavn to Ostroda | 449.48 mi (723.36 km) |
| Frederikshavn to Ostroleka | 528.25 mi (850.13 km) |
| Frederikshavn to Ostrow Mazowiecka | 550.69 mi (886.26 km) |
| Frederikshavn to Ostrow Wielkopolski | 494.71 mi (796.16 km) |
| Frederikshavn to Ostrowiec Swietokrzyski | 627.20 mi (1,009.38 km) |
| Frederikshavn to Ostrzeszow | 510.94 mi (822.28 km) |
| Frederikshavn to Oswiecim | 621.57 mi (1,000.32 km) |
| Frederikshavn to Otwock | 562.99 mi (906.05 km) |
| Frederikshavn to Ozarow Mazowiecki | 544.17 mi (875.75 km) |
| Frederikshavn to Ozimek | 561.08 mi (902.96 km) |
| Frederikshavn to Ozorkow | 514.06 mi (827.31 km) |
| Frederikshavn to Pabianice | 533.83 mi (859.12 km) |
| Frederikshavn to Parczew | 635.10 mi (1,022.09 km) |
