| Birstonas to Orzesze | 379.35 mi (610.50 km) |
| Birstonas to Osowa | 222.86 mi (358.66 km) |
| Birstonas to Ostroda | 175.47 mi (282.38 km) |
| Birstonas to Ostroleka | 145.84 mi (234.71 km) |
| Birstonas to Ostrow Mazowiecka | 151.77 mi (244.25 km) |
| Birstonas to Ostrow Wielkopolski | 328.13 mi (528.08 km) |
| Birstonas to Ostrowiec Swietokrzyski | 276.15 mi (444.41 km) |
| Birstonas to Ostrzeszow | 335.20 mi (539.45 km) |
| Birstonas to Oswiecim | 374.71 mi (603.03 km) |
| Birstonas to Otwock | 205.88 mi (331.33 km) |
| Birstonas to Ozarow Mazowiecki | 211.55 mi (340.46 km) |
| Birstonas to Ozimek | 364.47 mi (586.56 km) |
| Birstonas to Ozorkow | 267.22 mi (430.05 km) |
| Birstonas to Pabianice | 280.22 mi (450.97 km) |
| Birstonas to Parczew | 210.67 mi (339.04 km) |
