| North Liberty to Opole | 4,774.22 mi (7,683.36 km) |
| North Liberty to Orzesze | 4,824.81 mi (7,764.78 km) |
| North Liberty to Osowa | 4,621.60 mi (7,437.75 km) |
| North Liberty to Ostroda | 4,700.34 mi (7,564.47 km) |
| North Liberty to Ostroleka | 4,778.58 mi (7,690.39 km) |
| North Liberty to Ostrow Mazowiecka | 4,801.30 mi (7,726.94 km) |
| North Liberty to Ostrow Wielkopolski | 4,725.85 mi (7,605.52 km) |
| North Liberty to Ostrowiec Swietokrzyski | 4,873.97 mi (7,843.89 km) |
| North Liberty to Ostrzeszow | 4,740.17 mi (7,628.57 km) |
| North Liberty to Oswiecim | 4,845.51 mi (7,798.10 km) |
| North Liberty to Otwock | 4,813.96 mi (7,747.32 km) |
| North Liberty to Ozarow Mazowiecki | 4,794.74 mi (7,716.39 km) |
| North Liberty to Ozimek | 4,783.14 mi (7,697.72 km) |
| North Liberty to Ozorkow | 4,758.53 mi (7,658.12 km) |
| North Liberty to Pabianice | 4,776.28 mi (7,686.69 km) |
