| Petite-Synthe to Obernburg am Main | 309.64 mi (498.31 km) |
| Petite-Synthe to Obernkirchen | 302.37 mi (486.62 km) |
| Petite-Synthe to Oberschleissheim | 454.22 mi (731.00 km) |
| Petite-Synthe to Oberstdorf | 435.86 mi (701.45 km) |
| Petite-Synthe to Obertraubling | 458.09 mi (737.23 km) |
| Petite-Synthe to Obertshausen | 292.01 mi (469.94 km) |
| Petite-Synthe to Oberursel | 278.61 mi (448.38 km) |
| Petite-Synthe to Ochsenfurt | 352.98 mi (568.07 km) |
| Petite-Synthe to Ochsenhausen | 396.58 mi (638.23 km) |
| Petite-Synthe to Ochtrup | 222.99 mi (358.87 km) |
| Petite-Synthe to Odenthal | 206.98 mi (333.11 km) |
| Petite-Synthe to Oelde | 255.86 mi (411.77 km) |
| Petite-Synthe to Oelsnitz | 431.01 mi (693.65 km) |
| Petite-Synthe to Oer-Erkenschwick | 215.68 mi (347.11 km) |
| Petite-Synthe to Oerlinghausen | 279.22 mi (449.36 km) |
