| Mainvilliers to Orzesze | 785.85 mi (1,264.70 km) |
| Mainvilliers to Osowa | 837.74 mi (1,348.21 km) |
| Mainvilliers to Ostroda | 877.94 mi (1,412.91 km) |
| Mainvilliers to Ostroleka | 930.96 mi (1,498.24 km) |
| Mainvilliers to Ostrow Mazowiecka | 941.01 mi (1,514.41 km) |
| Mainvilliers to Ostrow Wielkopolski | 756.57 mi (1,217.58 km) |
| Mainvilliers to Ostrowiec Swietokrzyski | 904.53 mi (1,455.70 km) |
| Mainvilliers to Ostrzeszow | 758.76 mi (1,221.11 km) |
| Mainvilliers to Oswiecim | 806.54 mi (1,298.00 km) |
| Mainvilliers to Otwock | 907.01 mi (1,459.69 km) |
| Mainvilliers to Ozarow Mazowiecki | 888.53 mi (1,429.94 km) |
| Mainvilliers to Ozimek | 764.45 mi (1,230.26 km) |
| Mainvilliers to Ozorkow | 822.15 mi (1,323.12 km) |
| Mainvilliers to Pabianice | 822.82 mi (1,324.21 km) |
| Mainvilliers to Parczew | 971.06 mi (1,562.78 km) |
