| Gretz-Armainvilliers to Orzesze | 724.59 mi (1,166.11 km) |
| Gretz-Armainvilliers to Osowa | 779.02 mi (1,253.71 km) |
| Gretz-Armainvilliers to Ostroda | 817.93 mi (1,316.32 km) |
| Gretz-Armainvilliers to Ostroleka | 870.19 mi (1,400.43 km) |
| Gretz-Armainvilliers to Ostrow Mazowiecka | 880.04 mi (1,416.29 km) |
| Gretz-Armainvilliers to Ostrow Wielkopolski | 695.26 mi (1,118.92 km) |
| Gretz-Armainvilliers to Ostrowiec Swietokrzyski | 843.09 mi (1,356.83 km) |
| Gretz-Armainvilliers to Ostrzeszow | 697.38 mi (1,122.32 km) |
| Gretz-Armainvilliers to Oswiecim | 745.34 mi (1,199.50 km) |
| Gretz-Armainvilliers to Otwock | 845.74 mi (1,361.09 km) |
| Gretz-Armainvilliers to Ozarow Mazowiecki | 827.32 mi (1,331.44 km) |
| Gretz-Armainvilliers to Ozimek | 703.03 mi (1,131.41 km) |
| Gretz-Armainvilliers to Ozorkow | 760.90 mi (1,224.56 km) |
| Gretz-Armainvilliers to Pabianice | 761.46 mi (1,225.46 km) |
| Gretz-Armainvilliers to Parczew | 909.65 mi (1,463.94 km) |
