| Ahlen to Orzesze | 485.07 mi (780.65 km) |
| Ahlen to Osowa | 475.38 mi (765.04 km) |
| Ahlen to Ostroda | 521.94 mi (839.98 km) |
| Ahlen to Ostroleka | 582.39 mi (937.27 km) |
| Ahlen to Ostrow Mazowiecka | 595.51 mi (958.37 km) |
| Ahlen to Ostrow Wielkopolski | 424.71 mi (683.51 km) |
| Ahlen to Ostrowiec Swietokrzyski | 584.94 mi (941.36 km) |
| Ahlen to Ostrzeszow | 431.40 mi (694.27 km) |
| Ahlen to Oswiecim | 507.33 mi (816.47 km) |
| Ahlen to Otwock | 569.45 mi (916.44 km) |
| Ahlen to Ozarow Mazowiecki | 549.41 mi (884.18 km) |
| Ahlen to Ozimek | 452.61 mi (728.41 km) |
| Ahlen to Ozorkow | 485.77 mi (781.77 km) |
| Ahlen to Pabianice | 491.61 mi (791.16 km) |
| Ahlen to Parczew | 640.25 mi (1,030.39 km) |
