| Napa to Opole | 5,833.81 mi (9,388.61 km) |
| Napa to Orzesze | 5,882.71 mi (9,467.30 km) |
| Napa to Osowa | 5,620.62 mi (9,045.51 km) |
| Napa to Ostroda | 5,694.25 mi (9,164.00 km) |
| Napa to Ostroleka | 5,764.08 mi (9,276.39 km) |
| Napa to Ostrow Mazowiecka | 5,786.84 mi (9,313.02 km) |
| Napa to Ostrow Wielkopolski | 5,772.66 mi (9,290.20 km) |
| Napa to Ostrowiec Swietokrzyski | 5,891.20 mi (9,480.96 km) |
| Napa to Ostrzeszow | 5,789.07 mi (9,316.61 km) |
| Napa to Oswiecim | 5,899.73 mi (9,494.69 km) |
| Napa to Otwock | 5,816.23 mi (9,360.32 km) |
| Napa to Ozarow Mazowiecki | 5,800.82 mi (9,335.51 km) |
| Napa to Ozimek | 5,839.59 mi (9,397.91 km) |
| Napa to Ozorkow | 5,784.90 mi (9,309.90 km) |
| Napa to Pabianice | 5,806.07 mi (9,343.97 km) |
