| Popovo to Orzesze | 587.80 mi (945.97 km) |
| Popovo to Osowa | 841.50 mi (1,354.26 km) |
| Popovo to Ostroda | 769.73 mi (1,238.77 km) |
| Popovo to Ostroleka | 704.52 mi (1,133.82 km) |
| Popovo to Ostrow Mazowiecka | 682.57 mi (1,098.49 km) |
| Popovo to Ostrow Wielkopolski | 694.12 mi (1,117.08 km) |
| Popovo to Ostrowiec Swietokrzyski | 570.76 mi (918.55 km) |
| Popovo to Ostrzeszow | 678.34 mi (1,091.68 km) |
| Popovo to Oswiecim | 568.63 mi (915.12 km) |
| Popovo to Otwock | 647.82 mi (1,042.56 km) |
| Popovo to Ozarow Mazowiecki | 662.06 mi (1,065.49 km) |
| Popovo to Ozimek | 630.70 mi (1,015.02 km) |
| Popovo to Ozorkow | 676.82 mi (1,089.23 km) |
| Popovo to Pabianice | 655.92 mi (1,055.60 km) |
| Popovo to Parczew | 593.34 mi (954.89 km) |
