| Katowice to Oerlinghausen | 463.57 mi (746.04 km) |
| Katowice to Oestrich-Winkel | 487.82 mi (785.07 km) |
| Katowice to Offenburg | 513.43 mi (826.29 km) |
| Katowice to Oftersheim | 468.76 mi (754.40 km) |
| Katowice to Ohrdruf | 365.57 mi (588.33 km) |
| Katowice to Ohringen | 431.03 mi (693.68 km) |
| Katowice to Olbernhau | 251.41 mi (404.61 km) |
| Katowice to Olching | 375.37 mi (604.11 km) |
| Katowice to Oldenburg | 502.81 mi (809.20 km) |
| Katowice to Oldenburg in Holstein | 442.07 mi (711.45 km) |
| Katowice to Olfen | 515.17 mi (829.08 km) |
| Katowice to Olpe | 492.27 mi (792.23 km) |
| Katowice to Olsberg | 465.53 mi (749.20 km) |
| Katowice to Oranienburg | 302.04 mi (486.09 km) |
| Katowice to Ortenberg | 439.25 mi (706.91 km) |
