| Knjazevac to Nuth | 927.35 mi (1,492.43 km) |
| Knjazevac to Oegstgeest | 1,022.17 mi (1,645.02 km) |
| Knjazevac to Oirschot | 968.40 mi (1,558.49 km) |
| Knjazevac to Oisterwijk | 974.90 mi (1,568.95 km) |
| Knjazevac to Oldebroek | 979.49 mi (1,576.34 km) |
| Knjazevac to Oldenzaal | 938.05 mi (1,509.65 km) |
| Knjazevac to Ommen | 963.83 mi (1,551.13 km) |
| Knjazevac to Oosterend | 994.89 mi (1,601.12 km) |
| Knjazevac to Oosterhout | 989.84 mi (1,593.00 km) |
| Knjazevac to Oosterwolde | 986.69 mi (1,587.93 km) |
| Knjazevac to Oostzaan | 1,015.40 mi (1,634.13 km) |
| Knjazevac to Opmeer | 1,022.48 mi (1,645.51 km) |
| Knjazevac to Oss | 969.12 mi (1,559.64 km) |
| Knjazevac to Oud-Beijerland | 1,012.73 mi (1,629.83 km) |
| Knjazevac to Oudenbosch | 1,000.83 mi (1,610.68 km) |
