| Oria to Oegstgeest | 1,019.44 mi (1,640.64 km) |
| Oria to Oirschot | 960.62 mi (1,545.97 km) |
| Oria to Oisterwijk | 967.77 mi (1,557.48 km) |
| Oria to Oldebroek | 993.96 mi (1,599.62 km) |
| Oria to Oldenzaal | 960.25 mi (1,545.37 km) |
| Oria to Ommen | 984.30 mi (1,584.08 km) |
| Oria to Oosterend | 1,020.00 mi (1,641.54 km) |
| Oria to Oosterhout | 980.82 mi (1,578.48 km) |
| Oria to Oosterwolde | 1,013.70 mi (1,631.40 km) |
| Oria to Oostzaan | 1,020.50 mi (1,642.34 km) |
| Oria to Opmeer | 1,032.63 mi (1,661.86 km) |
| Oria to Oss | 968.14 mi (1,558.07 km) |
| Oria to Oud-Beijerland | 1,003.00 mi (1,614.16 km) |
| Oria to Oudenbosch | 988.02 mi (1,590.06 km) |
| Oria to Oudewater | 999.48 mi (1,608.51 km) |
