| Ostfildern to Oberkirch | 55.04 mi (88.57 km) |
| Ostfildern to Obernburg am Main | 76.62 mi (123.31 km) |
| Ostfildern to Obernkirchen | 244.18 mi (392.97 km) |
| Ostfildern to Oberschleissheim | 111.21 mi (178.97 km) |
| Ostfildern to Oberstdorf | 103.06 mi (165.85 km) |
| Ostfildern to Obertraubling | 133.58 mi (214.98 km) |
| Ostfildern to Obertshausen | 94.01 mi (151.30 km) |
| Ostfildern to Oberursel | 105.97 mi (170.54 km) |
| Ostfildern to Ochsenfurt | 73.29 mi (117.95 km) |
| Ostfildern to Ochsenhausen | 55.78 mi (89.77 km) |
| Ostfildern to Ochtrup | 256.42 mi (412.66 km) |
| Ostfildern to Odenthal | 185.11 mi (297.91 km) |
| Ostfildern to Oelde | 219.62 mi (353.44 km) |
| Ostfildern to Oelsnitz | 174.92 mi (281.51 km) |
| Ostfildern to Oer-Erkenschwick | 219.56 mi (353.35 km) |
