| Marchtrenk to Obernburg am Main | 252.27 mi (405.99 km) |
| Marchtrenk to Obernkirchen | 357.54 mi (575.41 km) |
| Marchtrenk to Oberschleissheim | 117.17 mi (188.57 km) |
| Marchtrenk to Oberstdorf | 185.82 mi (299.05 km) |
| Marchtrenk to Obertraubling | 103.70 mi (166.89 km) |
| Marchtrenk to Obertshausen | 271.41 mi (436.79 km) |
| Marchtrenk to Oberursel | 285.80 mi (459.94 km) |
| Marchtrenk to Ochsenfurt | 209.39 mi (336.98 km) |
| Marchtrenk to Ochsenhausen | 192.10 mi (309.16 km) |
| Marchtrenk to Ochtrup | 412.70 mi (664.18 km) |
| Marchtrenk to Odenthal | 369.34 mi (594.40 km) |
| Marchtrenk to Oelde | 364.95 mi (587.33 km) |
| Marchtrenk to Oelsnitz | 176.91 mi (284.71 km) |
| Marchtrenk to Oer-Erkenschwick | 386.99 mi (622.80 km) |
| Marchtrenk to Oerlinghausen | 355.19 mi (571.62 km) |
