| Uster to Opole | 475.96 mi (765.99 km) |
| Uster to Orzesze | 495.83 mi (797.96 km) |
| Uster to Osowa | 646.78 mi (1,040.89 km) |
| Uster to Ostroda | 659.44 mi (1,061.27 km) |
| Uster to Ostroleka | 690.41 mi (1,111.10 km) |
| Uster to Ostrow Mazowiecka | 693.75 mi (1,116.48 km) |
| Uster to Ostrow Wielkopolski | 504.36 mi (811.68 km) |
| Uster to Ostrowiec Swietokrzyski | 623.42 mi (1,003.30 km) |
| Uster to Ostrzeszow | 500.23 mi (805.04 km) |
| Uster to Oswiecim | 513.28 mi (826.04 km) |
| Uster to Otwock | 648.78 mi (1,044.11 km) |
| Uster to Ozarow Mazowiecki | 634.13 mi (1,020.53 km) |
| Uster to Ozimek | 487.27 mi (784.19 km) |
| Uster to Ozorkow | 569.32 mi (916.23 km) |
| Uster to Pabianice | 562.52 mi (905.29 km) |
