| Douarnenez to Obernburg am Main | 621.99 mi (1,001.00 km) |
| Douarnenez to Obernkirchen | 659.89 mi (1,061.98 km) |
| Douarnenez to Oberschleissheim | 731.29 mi (1,176.89 km) |
| Douarnenez to Oberstdorf | 679.30 mi (1,093.22 km) |
| Douarnenez to Obertraubling | 755.76 mi (1,216.28 km) |
| Douarnenez to Obertshausen | 610.29 mi (982.17 km) |
| Douarnenez to Oberursel | 600.45 mi (966.33 km) |
| Douarnenez to Ochsenfurt | 662.02 mi (1,065.42 km) |
| Douarnenez to Ochsenhausen | 658.13 mi (1,059.15 km) |
| Douarnenez to Ochtrup | 582.95 mi (938.18 km) |
| Douarnenez to Odenthal | 551.05 mi (886.83 km) |
| Douarnenez to Oelde | 610.92 mi (983.19 km) |
| Douarnenez to Oelsnitz | 759.41 mi (1,222.15 km) |
| Douarnenez to Oer-Erkenschwick | 570.26 mi (917.75 km) |
| Douarnenez to Oerlinghausen | 634.78 mi (1,021.57 km) |
