| Gornji Milanovac to Oberkirch | 666.95 mi (1,073.36 km) |
| Gornji Milanovac to Obernburg am Main | 667.12 mi (1,073.63 km) |
| Gornji Milanovac to Obernkirchen | 771.40 mi (1,241.45 km) |
| Gornji Milanovac to Oberschleissheim | 515.73 mi (829.98 km) |
| Gornji Milanovac to Oberstdorf | 543.35 mi (874.44 km) |
| Gornji Milanovac to Obertraubling | 521.17 mi (838.74 km) |
| Gornji Milanovac to Obertshausen | 687.13 mi (1,105.83 km) |
| Gornji Milanovac to Oberursel | 701.79 mi (1,129.42 km) |
| Gornji Milanovac to Ochsenfurt | 625.45 mi (1,006.57 km) |
| Gornji Milanovac to Ochsenhausen | 575.72 mi (926.53 km) |
| Gornji Milanovac to Ochtrup | 830.86 mi (1,337.14 km) |
| Gornji Milanovac to Odenthal | 786.68 mi (1,266.04 km) |
| Gornji Milanovac to Oelde | 782.88 mi (1,259.93 km) |
| Gornji Milanovac to Oelsnitz | 587.99 mi (946.28 km) |
| Gornji Milanovac to Oer-Erkenschwick | 805.56 mi (1,296.43 km) |
