| Birstall to Opole | 853.32 mi (1,373.29 km) |
| Birstall to Orzesze | 900.33 mi (1,448.95 km) |
| Birstall to Osowa | 814.61 mi (1,310.99 km) |
| Birstall to Ostroda | 880.86 mi (1,417.61 km) |
| Birstall to Ostroleka | 953.67 mi (1,534.79 km) |
| Birstall to Ostrow Mazowiecka | 971.25 mi (1,563.08 km) |
| Birstall to Ostrow Wielkopolski | 825.51 mi (1,328.54 km) |
| Birstall to Ostrowiec Swietokrzyski | 988.01 mi (1,590.05 km) |
| Birstall to Ostrzeszow | 835.31 mi (1,344.30 km) |
| Birstall to Oswiecim | 922.57 mi (1,484.73 km) |
| Birstall to Otwock | 957.25 mi (1,540.55 km) |
| Birstall to Ozarow Mazowiecki | 936.34 mi (1,506.90 km) |
| Birstall to Ozimek | 864.52 mi (1,391.32 km) |
| Birstall to Ozorkow | 879.07 mi (1,414.73 km) |
| Birstall to Pabianice | 889.52 mi (1,431.55 km) |
