| Ploermel to Orzesze | 966.63 mi (1,555.64 km) |
| Ploermel to Osowa | 1,003.99 mi (1,615.77 km) |
| Ploermel to Ostroda | 1,048.94 mi (1,688.10 km) |
| Ploermel to Ostroleka | 1,105.20 mi (1,778.65 km) |
| Ploermel to Ostrow Mazowiecka | 1,116.24 mi (1,796.41 km) |
| Ploermel to Ostrow Wielkopolski | 934.10 mi (1,503.29 km) |
| Ploermel to Ostrowiec Swietokrzyski | 1,084.26 mi (1,744.95 km) |
| Ploermel to Ostrzeszow | 937.00 mi (1,507.96 km) |
| Ploermel to Oswiecim | 987.45 mi (1,589.14 km) |
| Ploermel to Otwock | 1,084.09 mi (1,744.67 km) |
| Ploermel to Ozarow Mazowiecki | 1,065.21 mi (1,714.29 km) |
| Ploermel to Ozimek | 944.43 mi (1,519.91 km) |
| Ploermel to Ozorkow | 999.16 mi (1,608.00 km) |
| Ploermel to Pabianice | 1,000.76 mi (1,610.57 km) |
| Ploermel to Parczew | 1,149.54 mi (1,850.01 km) |
