| Treviglio to Orzesze | 531.02 mi (854.59 km) |
| Treviglio to Osowa | 729.68 mi (1,174.31 km) |
| Treviglio to Ostroda | 729.94 mi (1,174.72 km) |
| Treviglio to Ostroleka | 748.44 mi (1,204.51 km) |
| Treviglio to Ostrow Mazowiecka | 747.91 mi (1,203.64 km) |
| Treviglio to Ostrow Wielkopolski | 565.47 mi (910.03 km) |
| Treviglio to Ostrowiec Swietokrzyski | 658.44 mi (1,059.66 km) |
| Treviglio to Ostrzeszow | 557.80 mi (897.68 km) |
| Treviglio to Oswiecim | 544.52 mi (876.33 km) |
| Treviglio to Otwock | 698.30 mi (1,123.81 km) |
| Treviglio to Ozarow Mazowiecki | 686.66 mi (1,105.08 km) |
| Treviglio to Ozimek | 533.16 mi (858.04 km) |
| Treviglio to Ozorkow | 626.09 mi (1,007.59 km) |
| Treviglio to Pabianice | 615.09 mi (989.90 km) |
| Treviglio to Parczew | 737.49 mi (1,186.88 km) |
