| Fiumicino to Orzesze | 657.79 mi (1,058.62 km) |
| Fiumicino to Osowa | 920.00 mi (1,480.60 km) |
| Fiumicino to Ostroda | 898.16 mi (1,445.45 km) |
| Fiumicino to Ostroleka | 892.72 mi (1,436.69 km) |
| Fiumicino to Ostrow Mazowiecka | 885.04 mi (1,424.33 km) |
| Fiumicino to Ostrow Wielkopolski | 731.73 mi (1,177.61 km) |
| Fiumicino to Ostrowiec Swietokrzyski | 768.30 mi (1,236.46 km) |
| Fiumicino to Ostrzeszow | 719.04 mi (1,157.18 km) |
| Fiumicino to Oswiecim | 662.27 mi (1,065.83 km) |
| Fiumicino to Otwock | 831.01 mi (1,337.39 km) |
| Fiumicino to Ozarow Mazowiecki | 825.92 mi (1,329.19 km) |
| Fiumicino to Ozimek | 677.98 mi (1,091.11 km) |
| Fiumicino to Ozorkow | 778.60 mi (1,253.03 km) |
| Fiumicino to Pabianice | 761.41 mi (1,225.36 km) |
| Fiumicino to Parczew | 845.86 mi (1,361.28 km) |
