| Norridge to Nuth | 4,196.92 mi (6,754.30 km) |
| Norridge to Oegstgeest | 4,099.69 mi (6,597.81 km) |
| Norridge to Oirschot | 4,154.37 mi (6,685.81 km) |
| Norridge to Oisterwijk | 4,147.72 mi (6,675.11 km) |
| Norridge to Oldebroek | 4,142.39 mi (6,666.53 km) |
| Norridge to Oldenzaal | 4,184.40 mi (6,734.14 km) |
| Norridge to Ommen | 4,158.62 mi (6,692.65 km) |
| Norridge to Oosterend | 4,128.72 mi (6,644.53 km) |
| Norridge to Oosterhout | 4,132.96 mi (6,651.36 km) |
| Norridge to Oosterwolde | 4,137.22 mi (6,658.21 km) |
| Norridge to Oostzaan | 4,106.16 mi (6,608.22 km) |
| Norridge to Opmeer | 4,099.27 mi (6,597.13 km) |
| Norridge to Oss | 4,152.81 mi (6,683.30 km) |
| Norridge to Oud-Beijerland | 4,110.03 mi (6,614.45 km) |
| Norridge to Oudenbosch | 4,122.58 mi (6,634.65 km) |
