| Valu lui Traian to Opole | 665.01 mi (1,070.24 km) |
| Valu lui Traian to Orzesze | 614.65 mi (989.18 km) |
| Valu lui Traian to Osowa | 837.92 mi (1,348.50 km) |
| Valu lui Traian to Ostroda | 761.98 mi (1,226.29 km) |
| Valu lui Traian to Ostroleka | 690.11 mi (1,110.62 km) |
| Valu lui Traian to Ostrow Mazowiecka | 667.23 mi (1,073.81 km) |
| Valu lui Traian to Ostrow Wielkopolski | 712.88 mi (1,147.27 km) |
| Valu lui Traian to Ostrowiec Swietokrzyski | 571.22 mi (919.28 km) |
| Valu lui Traian to Ostrzeszow | 698.39 mi (1,123.94 km) |
| Valu lui Traian to Oswiecim | 593.55 mi (955.23 km) |
| Valu lui Traian to Otwock | 640.92 mi (1,031.46 km) |
| Valu lui Traian to Ozarow Mazowiecki | 657.83 mi (1,058.67 km) |
| Valu lui Traian to Ozimek | 655.75 mi (1,055.33 km) |
| Valu lui Traian to Ozorkow | 684.39 mi (1,101.42 km) |
| Valu lui Traian to Pabianice | 665.29 mi (1,070.68 km) |
