| Aachen to Orzesze | 558.10 mi (898.17 km) |
| Aachen to Osowa | 576.75 mi (928.19 km) |
| Aachen to Ostroda | 619.99 mi (997.77 km) |
| Aachen to Ostroleka | 677.04 mi (1,089.59 km) |
| Aachen to Ostrow Mazowiecka | 688.80 mi (1,108.52 km) |
| Aachen to Ostrow Wielkopolski | 510.84 mi (822.11 km) |
| Aachen to Ostrowiec Swietokrzyski | 666.96 mi (1,073.37 km) |
| Aachen to Ostrzeszow | 515.51 mi (829.64 km) |
| Aachen to Oswiecim | 580.00 mi (933.41 km) |
| Aachen to Otwock | 659.11 mi (1,060.73 km) |
| Aachen to Ozarow Mazowiecki | 639.66 mi (1,029.44 km) |
| Aachen to Ozimek | 529.99 mi (852.94 km) |
| Aachen to Ozorkow | 574.44 mi (924.47 km) |
| Aachen to Pabianice | 577.99 mi (930.18 km) |
| Aachen to Parczew | 727.34 mi (1,170.54 km) |
