| Mons-en-Baroeul to Obernburg am Main | 272.07 mi (437.85 km) |
| Mons-en-Baroeul to Obernkirchen | 281.99 mi (453.83 km) |
| Mons-en-Baroeul to Oberschleissheim | 413.84 mi (666.01 km) |
| Mons-en-Baroeul to Oberstdorf | 393.70 mi (633.61 km) |
| Mons-en-Baroeul to Obertraubling | 419.76 mi (675.53 km) |
| Mons-en-Baroeul to Obertshausen | 255.30 mi (410.86 km) |
| Mons-en-Baroeul to Oberursel | 242.46 mi (390.20 km) |
| Mons-en-Baroeul to Ochsenfurt | 315.36 mi (507.52 km) |
| Mons-en-Baroeul to Ochsenhausen | 354.91 mi (571.17 km) |
| Mons-en-Baroeul to Ochtrup | 206.47 mi (332.29 km) |
| Mons-en-Baroeul to Odenthal | 176.93 mi (284.75 km) |
| Mons-en-Baroeul to Oelde | 233.11 mi (375.15 km) |
| Mons-en-Baroeul to Oelsnitz | 397.83 mi (640.25 km) |
| Mons-en-Baroeul to Oer-Erkenschwick | 192.43 mi (309.69 km) |
| Mons-en-Baroeul to Oerlinghausen | 256.93 mi (413.49 km) |
