| Piacenza to Orzesze | 548.82 mi (883.24 km) |
| Piacenza to Osowa | 755.79 mi (1,216.32 km) |
| Piacenza to Ostroda | 753.74 mi (1,213.03 km) |
| Piacenza to Ostroleka | 769.76 mi (1,238.81 km) |
| Piacenza to Ostrow Mazowiecka | 768.44 mi (1,236.69 km) |
| Piacenza to Ostrow Wielkopolski | 588.17 mi (946.57 km) |
| Piacenza to Ostrowiec Swietokrzyski | 675.39 mi (1,086.94 km) |
| Piacenza to Ostrzeszow | 579.87 mi (933.21 km) |
| Piacenza to Oswiecim | 561.39 mi (903.48 km) |
| Piacenza to Otwock | 718.09 mi (1,155.65 km) |
| Piacenza to Ozarow Mazowiecki | 707.11 mi (1,137.98 km) |
| Piacenza to Ozimek | 553.12 mi (890.16 km) |
| Piacenza to Ozorkow | 647.64 mi (1,042.28 km) |
| Piacenza to Pabianice | 635.88 mi (1,023.35 km) |
| Piacenza to Parczew | 754.80 mi (1,214.73 km) |
