| Hannover to Orzesze | 419.19 mi (674.62 km) |
| Hannover to Osowa | 387.41 mi (623.47 km) |
| Hannover to Ostroda | 435.32 mi (700.57 km) |
| Hannover to Ostroleka | 497.74 mi (801.04 km) |
| Hannover to Ostrow Mazowiecka | 511.73 mi (823.56 km) |
| Hannover to Ostrow Wielkopolski | 347.84 mi (559.80 km) |
| Hannover to Ostrowiec Swietokrzyski | 509.96 mi (820.70 km) |
| Hannover to Ostrzeszow | 356.25 mi (573.33 km) |
| Hannover to Oswiecim | 441.40 mi (710.36 km) |
| Hannover to Otwock | 488.44 mi (786.07 km) |
| Hannover to Ozarow Mazowiecki | 468.04 mi (753.24 km) |
| Hannover to Ozimek | 383.30 mi (616.86 km) |
| Hannover to Ozorkow | 406.07 mi (653.51 km) |
| Hannover to Pabianice | 413.78 mi (665.91 km) |
| Hannover to Parczew | 560.88 mi (902.65 km) |
