| Norridge to Opole | 4,635.79 mi (7,460.59 km) |
| Norridge to Orzesze | 4,686.24 mi (7,541.77 km) |
| Norridge to Osowa | 4,491.53 mi (7,228.42 km) |
| Norridge to Ostroda | 4,570.28 mi (7,355.16 km) |
| Norridge to Ostroleka | 4,648.94 mi (7,481.74 km) |
| Norridge to Ostrow Mazowiecka | 4,671.47 mi (7,518.01 km) |
| Norridge to Ostrow Wielkopolski | 4,589.28 mi (7,385.73 km) |
| Norridge to Ostrowiec Swietokrzyski | 4,739.85 mi (7,628.05 km) |
| Norridge to Ostrzeszow | 4,603.25 mi (7,408.22 km) |
| Norridge to Oswiecim | 4,707.23 mi (7,575.56 km) |
| Norridge to Otwock | 4,682.05 mi (7,535.03 km) |
| Norridge to Ozarow Mazowiecki | 4,662.52 mi (7,503.59 km) |
| Norridge to Ozimek | 4,645.02 mi (7,475.44 km) |
| Norridge to Ozorkow | 4,624.16 mi (7,441.86 km) |
| Norridge to Pabianice | 4,641.38 mi (7,469.57 km) |
