| Ketrzyn to Oberkirch | 688.97 mi (1,108.79 km) |
| Ketrzyn to Obernburg am Main | 596.85 mi (960.53 km) |
| Ketrzyn to Obernkirchen | 522.50 mi (840.88 km) |
| Ketrzyn to Oberschleissheim | 584.96 mi (941.41 km) |
| Ketrzyn to Oberstdorf | 668.12 mi (1,075.23 km) |
| Ketrzyn to Obertraubling | 530.27 mi (853.39 km) |
| Ketrzyn to Obertshausen | 599.72 mi (965.16 km) |
| Ketrzyn to Oberursel | 604.40 mi (972.68 km) |
| Ketrzyn to Ochsenfurt | 570.78 mi (918.58 km) |
| Ketrzyn to Ochsenhausen | 645.86 mi (1,039.41 km) |
| Ketrzyn to Ochtrup | 601.22 mi (967.57 km) |
| Ketrzyn to Odenthal | 633.92 mi (1,020.19 km) |
| Ketrzyn to Oelde | 571.34 mi (919.49 km) |
| Ketrzyn to Oelsnitz | 464.39 mi (747.36 km) |
| Ketrzyn to Oer-Erkenschwick | 611.99 mi (984.90 km) |
