| Piran to Nowy Dwor Mazowiecki | 576.18 mi (927.27 km) |
| Piran to Nowy Sacz | 436.12 mi (701.86 km) |
| Piran to Nowy Targ | 405.52 mi (652.62 km) |
| Piran to Nowy Tomysl | 483.19 mi (777.62 km) |
| Piran to Nysa | 383.22 mi (616.74 km) |
| Piran to Oborniki | 513.41 mi (826.25 km) |
| Piran to Oborniki Slaskie | 426.88 mi (686.99 km) |
| Piran to Olawa | 410.92 mi (661.31 km) |
| Piran to Olecko | 708.80 mi (1,140.71 km) |
| Piran to Olesnica | 429.08 mi (690.54 km) |
| Piran to Olesno | 431.43 mi (694.33 km) |
| Piran to Olkusz | 429.82 mi (691.73 km) |
| Piran to Olsztyn | 647.71 mi (1,042.39 km) |
| Piran to Opalenica | 485.81 mi (781.83 km) |
| Piran to Opoczno | 507.59 mi (816.88 km) |
