| Mery-sur-Oise to Orzesze | 743.86 mi (1,197.13 km) |
| Mery-sur-Oise to Osowa | 786.49 mi (1,265.73 km) |
| Mery-sur-Oise to Ostroda | 828.13 mi (1,332.75 km) |
| Mery-sur-Oise to Ostroleka | 882.57 mi (1,420.36 km) |
| Mery-sur-Oise to Ostrow Mazowiecka | 893.16 mi (1,437.40 km) |
| Mery-sur-Oise to Ostrow Wielkopolski | 710.26 mi (1,143.05 km) |
| Mery-sur-Oise to Ostrowiec Swietokrzyski | 860.55 mi (1,384.91 km) |
| Mery-sur-Oise to Ostrzeszow | 713.08 mi (1,147.59 km) |
| Mery-sur-Oise to Oswiecim | 764.90 mi (1,230.98 km) |
| Mery-sur-Oise to Otwock | 860.36 mi (1,384.61 km) |
| Mery-sur-Oise to Ozarow Mazowiecki | 841.59 mi (1,354.40 km) |
| Mery-sur-Oise to Ozimek | 720.87 mi (1,160.13 km) |
| Mery-sur-Oise to Ozorkow | 775.44 mi (1,247.95 km) |
| Mery-sur-Oise to Pabianice | 776.87 mi (1,250.25 km) |
| Mery-sur-Oise to Parczew | 925.62 mi (1,489.64 km) |
