| Box Elder to Opole | 4,996.00 mi (8,040.28 km) |
| Box Elder to Orzesze | 5,046.46 mi (8,121.49 km) |
| Box Elder to Osowa | 4,813.00 mi (7,745.77 km) |
| Box Elder to Ostroda | 4,890.52 mi (7,870.52 km) |
| Box Elder to Ostroleka | 4,966.02 mi (7,992.03 km) |
| Box Elder to Ostrow Mazowiecka | 4,989.08 mi (8,029.15 km) |
| Box Elder to Ostrow Wielkopolski | 4,940.99 mi (7,951.75 km) |
| Box Elder to Ostrowiec Swietokrzyski | 5,077.35 mi (8,171.21 km) |
| Box Elder to Ostrzeszow | 4,956.48 mi (7,976.69 km) |
| Box Elder to Oswiecim | 5,065.71 mi (8,152.47 km) |
| Box Elder to Otwock | 5,009.61 mi (8,062.19 km) |
| Box Elder to Ozarow Mazowiecki | 4,991.88 mi (8,033.65 km) |
| Box Elder to Ozimek | 5,003.56 mi (8,052.45 km) |
| Box Elder to Ozorkow | 4,964.57 mi (7,989.70 km) |
| Box Elder to Pabianice | 4,984.15 mi (8,021.22 km) |
