| Bals to Opole | 522.37 mi (840.67 km) |
| Bals to Orzesze | 472.52 mi (760.44 km) |
| Bals to Osowa | 740.27 mi (1,191.35 km) |
| Bals to Ostroda | 672.31 mi (1,081.99 km) |
| Bals to Ostroleka | 613.13 mi (986.74 km) |
| Bals to Ostrow Mazowiecka | 592.36 mi (953.31 km) |
| Bals to Ostrow Wielkopolski | 581.51 mi (935.85 km) |
| Bals to Ostrowiec Swietokrzyski | 471.81 mi (759.31 km) |
| Bals to Ostrzeszow | 565.25 mi (909.68 km) |
| Bals to Oswiecim | 454.64 mi (731.67 km) |
| Bals to Otwock | 552.12 mi (888.55 km) |
| Bals to Ozarow Mazowiecki | 564.15 mi (907.92 km) |
| Bals to Ozimek | 515.70 mi (829.93 km) |
| Bals to Ozorkow | 570.85 mi (918.69 km) |
| Bals to Pabianice | 549.20 mi (883.86 km) |
