| Bistrita to Oberkirch | 766.04 mi (1,232.82 km) |
| Bistrita to Obernburg am Main | 726.33 mi (1,168.92 km) |
| Bistrita to Obernkirchen | 771.39 mi (1,241.43 km) |
| Bistrita to Oberschleissheim | 605.69 mi (974.77 km) |
| Bistrita to Oberstdorf | 666.04 mi (1,071.89 km) |
| Bistrita to Obertraubling | 582.84 mi (937.98 km) |
| Bistrita to Obertshausen | 742.41 mi (1,194.79 km) |
| Bistrita to Oberursel | 755.23 mi (1,215.43 km) |
| Bistrita to Ochsenfurt | 683.46 mi (1,099.92 km) |
| Bistrita to Ochsenhausen | 680.00 mi (1,094.36 km) |
| Bistrita to Ochtrup | 846.93 mi (1,363.00 km) |
| Bistrita to Odenthal | 829.17 mi (1,334.42 km) |
| Bistrita to Oelde | 800.27 mi (1,287.91 km) |
| Bistrita to Oelsnitz | 604.75 mi (973.26 km) |
| Bistrita to Oer-Erkenschwick | 833.49 mi (1,341.37 km) |
