| Valley to Nuth | 4,542.76 mi (7,310.86 km) |
| Valley to Oegstgeest | 4,453.46 mi (7,167.16 km) |
| Valley to Oirschot | 4,504.00 mi (7,248.49 km) |
| Valley to Oisterwijk | 4,497.85 mi (7,238.60 km) |
| Valley to Oldebroek | 4,502.86 mi (7,246.65 km) |
| Valley to Oldenzaal | 4,546.63 mi (7,317.10 km) |
| Valley to Ommen | 4,521.21 mi (7,276.19 km) |
| Valley to Oosterend | 4,494.90 mi (7,233.84 km) |
| Valley to Oosterhout | 4,482.66 mi (7,214.14 km) |
| Valley to Oosterwolde | 4,503.91 mi (7,248.34 km) |
| Valley to Oostzaan | 4,463.54 mi (7,183.38 km) |
| Valley to Opmeer | 4,459.41 mi (7,176.72 km) |
| Valley to Oss | 4,505.64 mi (7,251.13 km) |
| Valley to Oud-Beijerland | 4,460.06 mi (7,177.77 km) |
| Valley to Oudenbosch | 4,470.76 mi (7,195.00 km) |
