| Birstall to Oerlinghausen | 447.37 mi (719.97 km) |
| Birstall to Oestrich-Winkel | 485.54 mi (781.41 km) |
| Birstall to Offenburg | 551.97 mi (888.32 km) |
| Birstall to Oftersheim | 532.62 mi (857.16 km) |
| Birstall to Ohrdruf | 560.06 mi (901.33 km) |
| Birstall to Ohringen | 572.42 mi (921.23 km) |
| Birstall to Olbernhau | 667.83 mi (1,074.77 km) |
| Birstall to Olching | 680.25 mi (1,094.76 km) |
| Birstall to Oldenburg | 408.09 mi (656.75 km) |
| Birstall to Oldenburg in Holstein | 510.04 mi (820.84 km) |
| Birstall to Olfen | 402.89 mi (648.38 km) |
| Birstall to Olpe | 441.74 mi (710.92 km) |
| Birstall to Olsberg | 456.41 mi (734.52 km) |
| Birstall to Oranienburg | 618.48 mi (995.34 km) |
| Birstall to Ortenberg | 510.92 mi (822.25 km) |
