| Halden to Orzesze | 683.98 mi (1,100.76 km) |
| Halden to Osowa | 418.36 mi (673.29 km) |
| Halden to Ostroda | 494.95 mi (796.55 km) |
| Halden to Ostroleka | 570.08 mi (917.45 km) |
| Halden to Ostrow Mazowiecka | 593.14 mi (954.56 km) |
| Halden to Ostrow Wielkopolski | 572.70 mi (921.68 km) |
| Halden to Ostrowiec Swietokrzyski | 687.43 mi (1,106.31 km) |
| Halden to Ostrzeszow | 589.47 mi (948.66 km) |
| Halden to Oswiecim | 699.17 mi (1,125.20 km) |
| Halden to Otwock | 615.37 mi (990.35 km) |
| Halden to Ozarow Mazowiecki | 598.61 mi (963.37 km) |
| Halden to Ozimek | 641.61 mi (1,032.56 km) |
| Halden to Ozorkow | 580.26 mi (933.83 km) |
| Halden to Pabianice | 601.57 mi (968.13 km) |
| Halden to Parczew | 682.06 mi (1,097.67 km) |
