| Marcq-en-Baroeul to Obernburg am Main | 273.03 mi (439.40 km) |
| Marcq-en-Baroeul to Obernkirchen | 281.49 mi (453.01 km) |
| Marcq-en-Baroeul to Oberschleissheim | 415.20 mi (668.20 km) |
| Marcq-en-Baroeul to Oberstdorf | 395.44 mi (636.40 km) |
| Marcq-en-Baroeul to Obertraubling | 420.83 mi (677.26 km) |
| Marcq-en-Baroeul to Obertshausen | 256.15 mi (412.24 km) |
| Marcq-en-Baroeul to Oberursel | 243.24 mi (391.46 km) |
| Marcq-en-Baroeul to Ochsenfurt | 316.33 mi (509.09 km) |
| Marcq-en-Baroeul to Ochsenhausen | 356.51 mi (573.74 km) |
| Marcq-en-Baroeul to Ochtrup | 205.67 mi (330.99 km) |
| Marcq-en-Baroeul to Odenthal | 177.09 mi (284.99 km) |
| Marcq-en-Baroeul to Oelde | 232.74 mi (374.55 km) |
| Marcq-en-Baroeul to Oelsnitz | 398.36 mi (641.10 km) |
| Marcq-en-Baroeul to Oer-Erkenschwick | 192.06 mi (309.09 km) |
| Marcq-en-Baroeul to Oerlinghausen | 256.54 mi (412.86 km) |
