| Parvomay to Orzesze | 636.03 mi (1,023.59 km) |
| Parvomay to Osowa | 905.47 mi (1,457.21 km) |
| Parvomay to Ostroda | 836.99 mi (1,347.00 km) |
| Parvomay to Ostroleka | 776.32 mi (1,249.37 km) |
| Parvomay to Ostrow Mazowiecka | 755.15 mi (1,215.30 km) |
| Parvomay to Ostrow Wielkopolski | 745.76 mi (1,200.19 km) |
| Parvomay to Ostrowiec Swietokrzyski | 636.50 mi (1,024.35 km) |
| Parvomay to Ostrzeszow | 729.38 mi (1,173.82 km) |
| Parvomay to Oswiecim | 618.72 mi (995.73 km) |
| Parvomay to Otwock | 716.30 mi (1,152.77 km) |
| Parvomay to Ozarow Mazowiecki | 728.79 mi (1,172.88 km) |
| Parvomay to Ozimek | 679.20 mi (1,093.07 km) |
| Parvomay to Ozorkow | 736.15 mi (1,184.72 km) |
| Parvomay to Pabianice | 714.49 mi (1,149.85 km) |
| Parvomay to Parczew | 667.88 mi (1,074.85 km) |
