| Backi Petrovac to Opole | 374.52 mi (602.73 km) |
| Backi Petrovac to Orzesze | 333.21 mi (536.25 km) |
| Backi Petrovac to Osowa | 628.40 mi (1,011.32 km) |
| Backi Petrovac to Ostroda | 576.44 mi (927.69 km) |
| Backi Petrovac to Ostroleka | 539.79 mi (868.71 km) |
| Backi Petrovac to Ostrow Mazowiecka | 524.45 mi (844.02 km) |
| Backi Petrovac to Ostrow Wielkopolski | 442.01 mi (711.35 km) |
| Backi Petrovac to Ostrowiec Swietokrzyski | 393.92 mi (633.96 km) |
| Backi Petrovac to Ostrzeszow | 425.27 mi (684.40 km) |
| Backi Petrovac to Oswiecim | 323.64 mi (520.85 km) |
| Backi Petrovac to Otwock | 472.96 mi (761.16 km) |
| Backi Petrovac to Ozarow Mazowiecki | 476.87 mi (767.46 km) |
| Backi Petrovac to Ozimek | 372.53 mi (599.53 km) |
| Backi Petrovac to Ozorkow | 456.65 mi (734.91 km) |
| Backi Petrovac to Pabianice | 434.66 mi (699.52 km) |
