| Gornji Milanovac to Nuth | 828.46 mi (1,333.28 km) |
| Gornji Milanovac to Oegstgeest | 925.21 mi (1,488.98 km) |
| Gornji Milanovac to Oirschot | 870.46 mi (1,400.87 km) |
| Gornji Milanovac to Oisterwijk | 877.09 mi (1,411.53 km) |
| Gornji Milanovac to Oldebroek | 884.70 mi (1,423.79 km) |
| Gornji Milanovac to Oldenzaal | 844.15 mi (1,358.53 km) |
| Gornji Milanovac to Ommen | 869.85 mi (1,399.89 km) |
| Gornji Milanovac to Oosterend | 901.88 mi (1,451.44 km) |
| Gornji Milanovac to Oosterhout | 891.88 mi (1,435.34 km) |
| Gornji Milanovac to Oosterwolde | 893.94 mi (1,438.65 km) |
| Gornji Milanovac to Oostzaan | 919.48 mi (1,479.76 km) |
| Gornji Milanovac to Opmeer | 927.33 mi (1,492.39 km) |
| Gornji Milanovac to Oss | 872.06 mi (1,403.45 km) |
| Gornji Milanovac to Oud-Beijerland | 914.81 mi (1,472.24 km) |
| Gornji Milanovac to Oudenbosch | 902.46 mi (1,452.37 km) |
