| Ramnicu Sarat to Nuth | 1,043.95 mi (1,680.07 km) |
| Ramnicu Sarat to Oegstgeest | 1,124.78 mi (1,810.17 km) |
| Ramnicu Sarat to Oirschot | 1,078.13 mi (1,735.08 km) |
| Ramnicu Sarat to Oisterwijk | 1,083.74 mi (1,744.10 km) |
| Ramnicu Sarat to Oldebroek | 1,072.38 mi (1,725.83 km) |
| Ramnicu Sarat to Oldenzaal | 1,028.20 mi (1,654.73 km) |
| Ramnicu Sarat to Ommen | 1,053.35 mi (1,695.21 km) |
| Ramnicu Sarat to Oosterend | 1,078.72 mi (1,736.04 km) |
| Ramnicu Sarat to Oosterhout | 1,099.02 mi (1,768.71 km) |
| Ramnicu Sarat to Oosterwolde | 1,069.65 mi (1,721.44 km) |
| Ramnicu Sarat to Oostzaan | 1,112.78 mi (1,790.85 km) |
| Ramnicu Sarat to Opmeer | 1,115.68 mi (1,795.51 km) |
| Ramnicu Sarat to Oss | 1,073.97 mi (1,728.38 km) |
| Ramnicu Sarat to Oud-Beijerland | 1,120.95 mi (1,803.99 km) |
| Ramnicu Sarat to Oudenbosch | 1,111.97 mi (1,789.54 km) |
