| North Valley to Nuth | 5,218.56 mi (8,398.45 km) |
| North Valley to Oegstgeest | 5,116.65 mi (8,234.45 km) |
| North Valley to Oirschot | 5,173.71 mi (8,326.28 km) |
| North Valley to Oisterwijk | 5,166.77 mi (8,315.12 km) |
| North Valley to Oldebroek | 5,153.03 mi (8,292.99 km) |
| North Valley to Oldenzaal | 5,192.75 mi (8,356.93 km) |
| North Valley to Ommen | 5,167.14 mi (8,315.71 km) |
| North Valley to Oosterend | 5,134.70 mi (8,263.50 km) |
| North Valley to Oosterhout | 5,152.63 mi (8,292.36 km) |
| North Valley to Oosterwolde | 5,142.59 mi (8,276.21 km) |
| North Valley to Oostzaan | 5,120.04 mi (8,239.90 km) |
| North Valley to Opmeer | 5,110.97 mi (8,225.32 km) |
| North Valley to Oss | 5,169.59 mi (8,319.65 km) |
| North Valley to Oud-Beijerland | 5,129.83 mi (8,255.66 km) |
| North Valley to Oudenbosch | 5,143.63 mi (8,277.87 km) |
