| Marck to Obernburg am Main | 325.72 mi (524.20 km) |
| Marck to Obernkirchen | 320.61 mi (515.97 km) |
| Marck to Oberschleissheim | 468.80 mi (754.46 km) |
| Marck to Oberstdorf | 448.24 mi (721.37 km) |
| Marck to Obertraubling | 473.90 mi (762.67 km) |
| Marck to Obertshausen | 308.40 mi (496.32 km) |
| Marck to Oberursel | 295.18 mi (475.04 km) |
| Marck to Ochsenfurt | 369.07 mi (593.96 km) |
| Marck to Ochsenhausen | 409.84 mi (659.57 km) |
| Marck to Ochtrup | 241.12 mi (388.05 km) |
| Marck to Odenthal | 224.72 mi (361.65 km) |
| Marck to Oelde | 274.11 mi (441.14 km) |
| Marck to Oelsnitz | 448.40 mi (721.64 km) |
| Marck to Oer-Erkenschwick | 233.92 mi (376.45 km) |
| Marck to Oerlinghausen | 297.48 mi (478.74 km) |
