| Delbruck to Orzesze | 456.63 mi (734.87 km) |
| Delbruck to Osowa | 449.63 mi (723.61 km) |
| Delbruck to Ostroda | 494.69 mi (796.12 km) |
| Delbruck to Ostroleka | 554.35 mi (892.14 km) |
| Delbruck to Ostrow Mazowiecka | 567.24 mi (912.89 km) |
| Delbruck to Ostrow Wielkopolski | 395.84 mi (637.05 km) |
| Delbruck to Ostrowiec Swietokrzyski | 556.05 mi (894.88 km) |
| Delbruck to Ostrzeszow | 402.51 mi (647.78 km) |
| Delbruck to Oswiecim | 478.89 mi (770.70 km) |
| Delbruck to Otwock | 540.79 mi (870.31 km) |
| Delbruck to Ozarow Mazowiecki | 520.78 mi (838.12 km) |
| Delbruck to Ozimek | 423.90 mi (682.21 km) |
| Delbruck to Ozorkow | 457.01 mi (735.49 km) |
| Delbruck to Pabianice | 462.75 mi (744.73 km) |
| Delbruck to Parczew | 611.45 mi (984.04 km) |
