| Salcea to Nuth | 947.17 mi (1,524.32 km) |
| Salcea to Oegstgeest | 1,018.97 mi (1,639.88 km) |
| Salcea to Oirschot | 976.92 mi (1,572.20 km) |
| Salcea to Oisterwijk | 981.94 mi (1,580.28 km) |
| Salcea to Oldebroek | 962.84 mi (1,549.54 km) |
| Salcea to Oldenzaal | 918.30 mi (1,477.86 km) |
| Salcea to Ommen | 942.60 mi (1,516.97 km) |
| Salcea to Oosterend | 964.78 mi (1,552.66 km) |
| Salcea to Oosterhout | 997.08 mi (1,604.64 km) |
| Salcea to Oosterwolde | 955.49 mi (1,537.71 km) |
| Salcea to Oostzaan | 1,004.61 mi (1,616.76 km) |
| Salcea to Opmeer | 1,005.43 mi (1,618.08 km) |
| Salcea to Oss | 970.33 mi (1,561.60 km) |
| Salcea to Oud-Beijerland | 1,018.05 mi (1,638.40 km) |
| Salcea to Oudenbosch | 1,010.78 mi (1,626.69 km) |
