| Regensdorf to Opole | 482.91 mi (777.16 km) |
| Regensdorf to Orzesze | 503.78 mi (810.76 km) |
| Regensdorf to Osowa | 649.39 mi (1,045.09 km) |
| Regensdorf to Ostroda | 663.56 mi (1,067.89 km) |
| Regensdorf to Ostroleka | 695.82 mi (1,119.82 km) |
| Regensdorf to Ostrow Mazowiecka | 699.55 mi (1,125.82 km) |
| Regensdorf to Ostrow Wielkopolski | 509.85 mi (820.52 km) |
| Regensdorf to Ostrowiec Swietokrzyski | 631.10 mi (1,015.66 km) |
| Regensdorf to Ostrzeszow | 506.10 mi (814.49 km) |
| Regensdorf to Oswiecim | 521.51 mi (839.29 km) |
| Regensdorf to Otwock | 655.11 mi (1,054.30 km) |
| Regensdorf to Ozarow Mazowiecki | 640.20 mi (1,030.30 km) |
| Regensdorf to Ozimek | 494.32 mi (795.53 km) |
| Regensdorf to Ozorkow | 575.10 mi (925.53 km) |
| Regensdorf to Pabianice | 568.73 mi (915.29 km) |
