| Kortenberg to Obernburg am Main | 215.48 mi (346.78 km) |
| Kortenberg to Obernkirchen | 218.78 mi (352.09 km) |
| Kortenberg to Oberschleissheim | 363.70 mi (585.32 km) |
| Kortenberg to Oberstdorf | 353.42 mi (568.77 km) |
| Kortenberg to Obertraubling | 364.27 mi (586.24 km) |
| Kortenberg to Obertshausen | 197.28 mi (317.50 km) |
| Kortenberg to Oberursel | 183.63 mi (295.53 km) |
| Kortenberg to Ochsenfurt | 258.74 mi (416.40 km) |
| Kortenberg to Ochsenhausen | 311.01 mi (500.53 km) |
| Kortenberg to Ochtrup | 146.21 mi (235.30 km) |
| Kortenberg to Odenthal | 112.90 mi (181.70 km) |
| Kortenberg to Oelde | 169.26 mi (272.40 km) |
| Kortenberg to Oelsnitz | 335.81 mi (540.43 km) |
| Kortenberg to Oer-Erkenschwick | 128.65 mi (207.04 km) |
| Kortenberg to Oerlinghausen | 193.13 mi (310.82 km) |
