| Nitra to Opole | 163.19 mi (262.63 km) |
| Nitra to Orzesze | 130.82 mi (210.53 km) |
| Nitra to Osowa | 423.19 mi (681.07 km) |
| Nitra to Ostroda | 381.45 mi (613.89 km) |
| Nitra to Ostroleka | 362.34 mi (583.13 km) |
| Nitra to Ostrow Mazowiecka | 352.59 mi (567.43 km) |
| Nitra to Ostrow Wielkopolski | 231.26 mi (372.17 km) |
| Nitra to Ostrowiec Swietokrzyski | 234.32 mi (377.11 km) |
| Nitra to Ostrzeszow | 214.97 mi (345.97 km) |
| Nitra to Oswiecim | 130.14 mi (209.43 km) |
| Nitra to Otwock | 298.37 mi (480.18 km) |
| Nitra to Ozarow Mazowiecki | 295.48 mi (475.54 km) |
| Nitra to Ozimek | 163.59 mi (263.27 km) |
| Nitra to Ozorkow | 258.35 mi (415.78 km) |
| Nitra to Pabianice | 238.05 mi (383.11 km) |
