| Le Portel to Obernburg am Main | 339.37 mi (546.16 km) |
| Le Portel to Obernkirchen | 341.83 mi (550.12 km) |
| Le Portel to Oberschleissheim | 479.19 mi (771.19 km) |
| Le Portel to Oberstdorf | 454.84 mi (731.99 km) |
| Le Portel to Obertraubling | 486.70 mi (783.26 km) |
| Le Portel to Obertshausen | 322.74 mi (519.40 km) |
| Le Portel to Oberursel | 309.93 mi (498.79 km) |
| Le Portel to Ochsenfurt | 382.61 mi (615.75 km) |
| Le Portel to Ochsenhausen | 418.00 mi (672.71 km) |
| Le Portel to Ochtrup | 262.98 mi (423.23 km) |
| Le Portel to Odenthal | 242.70 mi (390.60 km) |
| Le Portel to Oelde | 294.65 mi (474.19 km) |
| Le Portel to Oelsnitz | 464.99 mi (748.33 km) |
| Le Portel to Oer-Erkenschwick | 254.22 mi (409.12 km) |
| Le Portel to Oerlinghausen | 318.18 mi (512.06 km) |
