| Otopeni to Opole | 567.02 mi (912.53 km) |
| Otopeni to Orzesze | 516.35 mi (830.98 km) |
| Otopeni to Osowa | 761.90 mi (1,226.16 km) |
| Otopeni to Ostroda | 689.19 mi (1,109.15 km) |
| Otopeni to Ostroleka | 622.79 mi (1,002.28 km) |
| Otopeni to Ostrow Mazowiecka | 600.67 mi (966.68 km) |
| Otopeni to Ostrow Wielkopolski | 620.19 mi (998.10 km) |
| Otopeni to Ostrowiec Swietokrzyski | 491.29 mi (790.65 km) |
| Otopeni to Ostrzeszow | 604.79 mi (973.32 km) |
| Otopeni to Oswiecim | 496.35 mi (798.80 km) |
| Otopeni to Otwock | 567.14 mi (912.73 km) |
| Otopeni to Ozarow Mazowiecki | 581.93 mi (936.52 km) |
| Otopeni to Ozimek | 558.76 mi (899.24 km) |
| Otopeni to Ozorkow | 599.46 mi (964.73 km) |
| Otopeni to Pabianice | 578.98 mi (931.77 km) |
