| Hafnarfjordhur to Orzesze | 1,759.10 mi (2,831.00 km) |
| Hafnarfjordhur to Osowa | 1,541.60 mi (2,480.97 km) |
| Hafnarfjordhur to Ostroda | 1,620.29 mi (2,607.61 km) |
| Hafnarfjordhur to Ostroleka | 1,698.34 mi (2,733.21 km) |
| Hafnarfjordhur to Ostrow Mazowiecka | 1,721.10 mi (2,769.85 km) |
| Hafnarfjordhur to Ostrow Wielkopolski | 1,655.35 mi (2,664.02 km) |
| Hafnarfjordhur to Ostrowiec Swietokrzyski | 1,797.80 mi (2,893.28 km) |
| Hafnarfjordhur to Ostrzeszow | 1,670.47 mi (2,688.36 km) |
| Hafnarfjordhur to Oswiecim | 1,778.77 mi (2,862.65 km) |
| Hafnarfjordhur to Otwock | 1,735.13 mi (2,792.42 km) |
| Hafnarfjordhur to Ozarow Mazowiecki | 1,716.25 mi (2,762.04 km) |
| Hafnarfjordhur to Ozimek | 1,716.42 mi (2,762.32 km) |
| Hafnarfjordhur to Ozorkow | 1,683.17 mi (2,708.80 km) |
| Hafnarfjordhur to Pabianice | 1,701.83 mi (2,738.83 km) |
| Hafnarfjordhur to Parczew | 1,806.89 mi (2,907.91 km) |
