| Kladovo to Oberkirch | 739.94 mi (1,190.81 km) |
| Kladovo to Obernburg am Main | 726.58 mi (1,169.32 km) |
| Kladovo to Obernkirchen | 811.75 mi (1,306.39 km) |
| Kladovo to Oberschleissheim | 582.30 mi (937.13 km) |
| Kladovo to Oberstdorf | 621.78 mi (1,000.65 km) |
| Kladovo to Obertraubling | 577.87 mi (929.98 km) |
| Kladovo to Obertshausen | 745.61 mi (1,199.94 km) |
| Kladovo to Oberursel | 759.90 mi (1,222.94 km) |
| Kladovo to Ochsenfurt | 683.62 mi (1,100.19 km) |
| Kladovo to Ochsenhausen | 648.71 mi (1,044.00 km) |
| Kladovo to Ochtrup | 877.90 mi (1,412.84 km) |
| Kladovo to Odenthal | 842.37 mi (1,355.66 km) |
| Kladovo to Oelde | 829.68 mi (1,335.23 km) |
| Kladovo to Oelsnitz | 630.42 mi (1,014.56 km) |
| Kladovo to Oer-Erkenschwick | 856.43 mi (1,378.30 km) |
