| Dorohoi to Oberkirch | 841.67 mi (1,354.54 km) |
| Dorohoi to Obernburg am Main | 792.73 mi (1,275.78 km) |
| Dorohoi to Obernkirchen | 819.02 mi (1,318.09 km) |
| Dorohoi to Oberschleissheim | 683.60 mi (1,100.15 km) |
| Dorohoi to Oberstdorf | 749.43 mi (1,206.09 km) |
| Dorohoi to Obertraubling | 654.81 mi (1,053.82 km) |
| Dorohoi to Obertshausen | 807.29 mi (1,299.21 km) |
| Dorohoi to Oberursel | 819.25 mi (1,318.46 km) |
| Dorohoi to Ochsenfurt | 750.84 mi (1,208.35 km) |
| Dorohoi to Ochsenhausen | 758.95 mi (1,221.42 km) |
| Dorohoi to Ochtrup | 897.57 mi (1,444.51 km) |
| Dorohoi to Odenthal | 888.20 mi (1,429.42 km) |
| Dorohoi to Oelde | 852.53 mi (1,372.01 km) |
| Dorohoi to Oelsnitz | 663.62 mi (1,067.99 km) |
| Dorohoi to Oer-Erkenschwick | 888.10 mi (1,429.26 km) |
