| Nedre Eiker to Nuth | 632.40 mi (1,017.75 km) |
| Nedre Eiker to Oegstgeest | 565.84 mi (910.63 km) |
| Nedre Eiker to Oirschot | 599.76 mi (965.22 km) |
| Nedre Eiker to Oisterwijk | 595.43 mi (958.26 km) |
| Nedre Eiker to Oldebroek | 529.64 mi (852.37 km) |
| Nedre Eiker to Oldenzaal | 528.19 mi (850.03 km) |
| Nedre Eiker to Ommen | 519.59 mi (836.19 km) |
| Nedre Eiker to Oosterend | 490.95 mi (790.12 km) |
| Nedre Eiker to Oosterhout | 595.80 mi (958.84 km) |
| Nedre Eiker to Oosterwolde | 489.27 mi (787.41 km) |
| Nedre Eiker to Oostzaan | 543.65 mi (874.92 km) |
| Nedre Eiker to Opmeer | 525.34 mi (845.46 km) |
| Nedre Eiker to Oss | 579.49 mi (932.60 km) |
| Nedre Eiker to Oud-Beijerland | 590.64 mi (950.54 km) |
| Nedre Eiker to Oudenbosch | 603.78 mi (971.68 km) |
