| Irig to Opole | 394.71 mi (635.22 km) |
| Irig to Orzesze | 352.65 mi (567.54 km) |
| Irig to Osowa | 647.35 mi (1,041.80 km) |
| Irig to Ostroda | 594.23 mi (956.31 km) |
| Irig to Ostroleka | 555.86 mi (894.56 km) |
| Irig to Ostrow Mazowiecka | 540.03 mi (869.09 km) |
| Irig to Ostrow Wielkopolski | 461.99 mi (743.51 km) |
| Irig to Ostrowiec Swietokrzyski | 409.33 mi (658.76 km) |
| Irig to Ostrzeszow | 445.22 mi (716.51 km) |
| Irig to Oswiecim | 342.44 mi (551.11 km) |
| Irig to Otwock | 489.08 mi (787.10 km) |
| Irig to Ozarow Mazowiecki | 493.61 mi (794.39 km) |
| Irig to Ozimek | 392.43 mi (631.56 km) |
| Irig to Ozorkow | 475.15 mi (764.67 km) |
| Irig to Pabianice | 453.07 mi (729.14 km) |
