| Fleron to Orzesze | 575.84 mi (926.72 km) |
| Fleron to Osowa | 597.42 mi (961.46 km) |
| Fleron to Ostroda | 640.49 mi (1,030.77 km) |
| Fleron to Ostroleka | 697.25 mi (1,122.11 km) |
| Fleron to Ostrow Mazowiecka | 708.87 mi (1,140.82 km) |
| Fleron to Ostrow Wielkopolski | 530.24 mi (853.34 km) |
| Fleron to Ostrowiec Swietokrzyski | 685.75 mi (1,103.61 km) |
| Fleron to Ostrzeszow | 534.69 mi (860.50 km) |
| Fleron to Oswiecim | 597.65 mi (961.83 km) |
| Fleron to Otwock | 678.81 mi (1,092.43 km) |
| Fleron to Ozarow Mazowiecki | 659.44 mi (1,061.26 km) |
| Fleron to Ozimek | 548.34 mi (882.46 km) |
| Fleron to Ozorkow | 594.08 mi (956.07 km) |
| Fleron to Pabianice | 597.36 mi (961.37 km) |
| Fleron to Parczew | 746.71 mi (1,201.71 km) |
