| Aarau to Opole | 500.83 mi (806.00 km) |
| Aarau to Orzesze | 522.36 mi (840.66 km) |
| Aarau to Osowa | 663.36 mi (1,067.57 km) |
| Aarau to Ostroda | 679.04 mi (1,092.81 km) |
| Aarau to Ostroleka | 712.49 mi (1,146.64 km) |
| Aarau to Ostrow Mazowiecka | 716.55 mi (1,153.17 km) |
| Aarau to Ostrow Wielkopolski | 526.64 mi (847.54 km) |
| Aarau to Ostrowiec Swietokrzyski | 649.48 mi (1,045.24 km) |
| Aarau to Ostrzeszow | 523.21 mi (842.02 km) |
| Aarau to Oswiecim | 540.24 mi (869.44 km) |
| Aarau to Otwock | 672.53 mi (1,082.34 km) |
| Aarau to Ozarow Mazowiecki | 657.41 mi (1,058.01 km) |
| Aarau to Ozimek | 512.31 mi (824.48 km) |
| Aarau to Ozorkow | 592.10 mi (952.89 km) |
| Aarau to Pabianice | 586.09 mi (943.21 km) |
