| Pornichet to Orzesze | 978.52 mi (1,574.77 km) |
| Pornichet to Osowa | 1,028.45 mi (1,655.12 km) |
| Pornichet to Ostroda | 1,070.85 mi (1,723.36 km) |
| Pornichet to Ostroleka | 1,124.94 mi (1,810.42 km) |
| Pornichet to Ostrow Mazowiecka | 1,135.20 mi (1,826.93 km) |
| Pornichet to Ostrow Wielkopolski | 950.94 mi (1,530.39 km) |
| Pornichet to Ostrowiec Swietokrzyski | 1,098.26 mi (1,767.48 km) |
| Pornichet to Ostrzeszow | 953.07 mi (1,533.82 km) |
| Pornichet to Oswiecim | 998.95 mi (1,607.66 km) |
| Pornichet to Otwock | 1,101.38 mi (1,772.51 km) |
| Pornichet to Ozarow Mazowiecki | 1,082.89 mi (1,742.74 km) |
| Pornichet to Ozimek | 958.06 mi (1,541.85 km) |
| Pornichet to Ozorkow | 1,016.52 mi (1,635.93 km) |
| Pornichet to Pabianice | 1,017.16 mi (1,636.96 km) |
| Pornichet to Parczew | 1,165.30 mi (1,875.36 km) |
