| Green Bay to Opole | 4,509.98 mi (7,258.11 km) |
| Green Bay to Orzesze | 4,560.56 mi (7,339.51 km) |
| Green Bay to Osowa | 4,358.55 mi (7,014.40 km) |
| Green Bay to Ostroda | 4,437.30 mi (7,141.14 km) |
| Green Bay to Ostroleka | 4,515.63 mi (7,267.21 km) |
| Green Bay to Ostrow Mazowiecka | 4,538.31 mi (7,303.71 km) |
| Green Bay to Ostrow Wielkopolski | 4,461.80 mi (7,180.57 km) |
| Green Bay to Ostrowiec Swietokrzyski | 4,610.25 mi (7,419.48 km) |
| Green Bay to Ostrzeszow | 4,476.09 mi (7,203.56 km) |
| Green Bay to Oswiecim | 4,581.29 mi (7,372.88 km) |
| Green Bay to Otwock | 4,550.59 mi (7,323.47 km) |
| Green Bay to Ozarow Mazowiecki | 4,531.31 mi (7,292.45 km) |
| Green Bay to Ozimek | 4,518.93 mi (7,272.51 km) |
| Green Bay to Ozorkow | 4,494.77 mi (7,233.63 km) |
| Green Bay to Pabianice | 4,512.45 mi (7,262.08 km) |
