| Pioltello to Orzesze | 541.59 mi (871.61 km) |
| Pioltello to Osowa | 737.18 mi (1,186.37 km) |
| Pioltello to Ostroda | 738.49 mi (1,188.48 km) |
| Pioltello to Ostroleka | 757.92 mi (1,219.75 km) |
| Pioltello to Ostrow Mazowiecka | 757.63 mi (1,219.29 km) |
| Pioltello to Ostrow Wielkopolski | 574.51 mi (924.59 km) |
| Pioltello to Ostrowiec Swietokrzyski | 669.18 mi (1,076.94 km) |
| Pioltello to Ostrzeszow | 567.07 mi (912.61 km) |
| Pioltello to Oswiecim | 555.32 mi (893.69 km) |
| Pioltello to Otwock | 708.27 mi (1,139.85 km) |
| Pioltello to Ozarow Mazowiecki | 696.44 mi (1,120.81 km) |
| Pioltello to Ozimek | 543.14 mi (874.10 km) |
| Pioltello to Ozorkow | 635.51 mi (1,022.76 km) |
| Pioltello to Pabianice | 624.78 mi (1,005.49 km) |
| Pioltello to Parczew | 748.13 mi (1,203.99 km) |
