| Radford to Nuth | 4,147.10 mi (6,674.11 km) |
| Radford to Oegstgeest | 4,057.42 mi (6,529.78 km) |
| Radford to Oirschot | 4,108.15 mi (6,611.43 km) |
| Radford to Oisterwijk | 4,101.97 mi (6,601.49 km) |
| Radford to Oldebroek | 4,106.61 mi (6,608.95 km) |
| Radford to Oldenzaal | 4,150.35 mi (6,679.34 km) |
| Radford to Ommen | 4,124.91 mi (6,638.40 km) |
| Radford to Oosterend | 4,098.50 mi (6,595.90 km) |
| Radford to Oosterhout | 4,086.79 mi (6,577.05 km) |
| Radford to Oosterwolde | 4,107.51 mi (6,610.40 km) |
| Radford to Oostzaan | 4,067.37 mi (6,545.81 km) |
| Radford to Opmeer | 4,063.15 mi (6,539.01 km) |
| Radford to Oss | 4,109.66 mi (6,613.85 km) |
| Radford to Oud-Beijerland | 4,064.16 mi (6,540.64 km) |
| Radford to Oudenbosch | 4,074.96 mi (6,558.01 km) |
