| Pornic to Obernburg am Main | 547.70 mi (881.44 km) |
| Pornic to Obernkirchen | 613.89 mi (987.97 km) |
| Pornic to Oberschleissheim | 639.82 mi (1,029.69 km) |
| Pornic to Oberstdorf | 580.35 mi (933.98 km) |
| Pornic to Obertraubling | 670.45 mi (1,078.98 km) |
| Pornic to Obertshausen | 539.15 mi (867.68 km) |
| Pornic to Oberursel | 531.44 mi (855.27 km) |
| Pornic to Ochsenfurt | 584.50 mi (940.66 km) |
| Pornic to Ochsenhausen | 564.82 mi (908.99 km) |
| Pornic to Ochtrup | 543.73 mi (875.05 km) |
| Pornic to Odenthal | 496.86 mi (799.61 km) |
| Pornic to Oelde | 563.22 mi (906.42 km) |
| Pornic to Oelsnitz | 687.43 mi (1,106.31 km) |
| Pornic to Oer-Erkenschwick | 523.62 mi (842.69 km) |
| Pornic to Oerlinghausen | 586.85 mi (944.45 km) |
