| Gornji Milanovac to Oerlinghausen | 771.82 mi (1,242.13 km) |
| Gornji Milanovac to Oestrich-Winkel | 716.17 mi (1,152.56 km) |
| Gornji Milanovac to Offenburg | 671.49 mi (1,080.66 km) |
| Gornji Milanovac to Oftersheim | 671.93 mi (1,081.36 km) |
| Gornji Milanovac to Ohrdruf | 653.00 mi (1,050.89 km) |
| Gornji Milanovac to Ohringen | 630.25 mi (1,014.29 km) |
| Gornji Milanovac to Olbernhau | 566.91 mi (912.35 km) |
| Gornji Milanovac to Olching | 523.87 mi (843.08 km) |
| Gornji Milanovac to Oldenburg | 840.55 mi (1,352.73 km) |
| Gornji Milanovac to Oldenburg in Holstein | 829.87 mi (1,335.55 km) |
| Gornji Milanovac to Olfen | 803.99 mi (1,293.89 km) |
| Gornji Milanovac to Olpe | 760.13 mi (1,223.32 km) |
| Gornji Milanovac to Olsberg | 750.98 mi (1,208.58 km) |
| Gornji Milanovac to Oranienburg | 687.54 mi (1,106.49 km) |
| Gornji Milanovac to Ortenberg | 690.15 mi (1,110.69 km) |
