| Saint-Brieuc to Obernburg am Main | 544.95 mi (877.01 km) |
| Saint-Brieuc to Obernkirchen | 583.21 mi (938.59 km) |
| Saint-Brieuc to Oberschleissheim | 656.97 mi (1,057.30 km) |
| Saint-Brieuc to Oberstdorf | 607.57 mi (977.79 km) |
| Saint-Brieuc to Obertraubling | 680.02 mi (1,094.38 km) |
| Saint-Brieuc to Obertshausen | 533.01 mi (857.79 km) |
| Saint-Brieuc to Oberursel | 523.05 mi (841.76 km) |
| Saint-Brieuc to Ochsenfurt | 585.26 mi (941.88 km) |
| Saint-Brieuc to Ochsenhausen | 584.55 mi (940.74 km) |
| Saint-Brieuc to Ochtrup | 506.96 mi (815.87 km) |
| Saint-Brieuc to Odenthal | 473.60 mi (762.19 km) |
| Saint-Brieuc to Oelde | 534.00 mi (859.39 km) |
| Saint-Brieuc to Oelsnitz | 682.05 mi (1,097.66 km) |
| Saint-Brieuc to Oer-Erkenschwick | 493.37 mi (794.00 km) |
| Saint-Brieuc to Oerlinghausen | 557.87 mi (897.80 km) |
