| Zachary to Opole | 5,356.08 mi (8,619.78 km) |
| Zachary to Orzesze | 5,405.86 mi (8,699.89 km) |
| Zachary to Osowa | 5,231.63 mi (8,419.49 km) |
| Zachary to Ostroda | 5,310.00 mi (8,545.62 km) |
| Zachary to Ostroleka | 5,389.10 mi (8,672.92 km) |
| Zachary to Ostrow Mazowiecka | 5,411.15 mi (8,708.41 km) |
| Zachary to Ostrow Wielkopolski | 5,314.37 mi (8,552.66 km) |
| Zachary to Ostrowiec Swietokrzyski | 5,469.82 mi (8,802.83 km) |
| Zachary to Ostrzeszow | 5,327.43 mi (8,573.67 km) |
| Zachary to Oswiecim | 5,427.46 mi (8,734.65 km) |
| Zachary to Otwock | 5,417.25 mi (8,718.22 km) |
| Zachary to Ozarow Mazowiecki | 5,397.14 mi (8,685.86 km) |
| Zachary to Ozimek | 5,366.03 mi (8,635.79 km) |
| Zachary to Ozorkow | 5,354.19 mi (8,616.74 km) |
| Zachary to Pabianice | 5,370.09 mi (8,642.32 km) |
