| Backnang to Orzesze | 425.67 mi (685.05 km) |
| Backnang to Osowa | 540.83 mi (870.39 km) |
| Backnang to Ostroda | 560.18 mi (901.53 km) |
| Backnang to Ostroleka | 598.44 mi (963.10 km) |
| Backnang to Ostrow Mazowiecka | 604.28 mi (972.49 km) |
| Backnang to Ostrow Wielkopolski | 414.23 mi (666.64 km) |
| Backnang to Ostrowiec Swietokrzyski | 548.99 mi (883.51 km) |
| Backnang to Ostrzeszow | 412.78 mi (664.30 km) |
| Backnang to Oswiecim | 445.50 mi (716.96 km) |
| Backnang to Otwock | 563.26 mi (906.48 km) |
| Backnang to Ozarow Mazowiecki | 546.82 mi (880.02 km) |
| Backnang to Ozimek | 409.08 mi (658.34 km) |
| Backnang to Ozorkow | 480.50 mi (773.30 km) |
| Backnang to Pabianice | 476.84 mi (767.40 km) |
| Backnang to Parczew | 620.45 mi (998.52 km) |
