| Chateaubriant to Obernburg am Main | 500.34 mi (805.22 km) |
| Chateaubriant to Obernkirchen | 561.37 mi (903.44 km) |
| Chateaubriant to Oberschleissheim | 598.99 mi (963.98 km) |
| Chateaubriant to Oberstdorf | 543.30 mi (874.36 km) |
| Chateaubriant to Obertraubling | 627.07 mi (1,009.17 km) |
| Chateaubriant to Obertshausen | 490.90 mi (790.04 km) |
| Chateaubriant to Oberursel | 482.63 mi (776.73 km) |
| Chateaubriant to Ochsenfurt | 538.21 mi (866.16 km) |
| Chateaubriant to Ochsenhausen | 524.71 mi (844.45 km) |
| Chateaubriant to Ochtrup | 490.53 mi (789.43 km) |
| Chateaubriant to Odenthal | 445.10 mi (716.33 km) |
| Chateaubriant to Oelde | 510.80 mi (822.05 km) |
| Chateaubriant to Oelsnitz | 639.76 mi (1,029.60 km) |
| Chateaubriant to Oer-Erkenschwick | 471.01 mi (758.01 km) |
| Chateaubriant to Oerlinghausen | 534.50 mi (860.19 km) |
