| Kozlu to Oberkirch | 1,249.80 mi (2,011.35 km) |
| Kozlu to Obernburg am Main | 1,230.26 mi (1,979.92 km) |
| Kozlu to Obernkirchen | 1,296.53 mi (2,086.56 km) |
| Kozlu to Oberschleissheim | 1,090.84 mi (1,755.54 km) |
| Kozlu to Oberstdorf | 1,132.56 mi (1,822.67 km) |
| Kozlu to Obertraubling | 1,081.72 mi (1,740.85 km) |
| Kozlu to Obertshausen | 1,248.43 mi (2,009.15 km) |
| Kozlu to Oberursel | 1,262.30 mi (2,031.48 km) |
| Kozlu to Ochsenfurt | 1,186.95 mi (1,910.21 km) |
| Kozlu to Ochsenhausen | 1,158.81 mi (1,864.92 km) |
| Kozlu to Ochtrup | 1,368.87 mi (2,202.99 km) |
| Kozlu to Odenthal | 1,342.01 mi (2,159.75 km) |
| Kozlu to Oelde | 1,321.21 mi (2,126.28 km) |
| Kozlu to Oelsnitz | 1,122.06 mi (1,805.78 km) |
| Kozlu to Oer-Erkenschwick | 1,351.61 mi (2,175.20 km) |
