| Castro Valley to Mouscron | 5,484.44 mi (8,826.36 km) |
| Castro Valley to Namur | 5,545.44 mi (8,924.53 km) |
| Castro Valley to Neder-Over-Heembeek | 5,508.91 mi (8,865.73 km) |
| Castro Valley to Neerpelt | 5,520.53 mi (8,884.44 km) |
| Castro Valley to Nevele | 5,478.32 mi (8,816.51 km) |
| Castro Valley to Niel | 5,496.09 mi (8,845.10 km) |
| Castro Valley to Nieuwpoort | 5,451.13 mi (8,772.74 km) |
| Castro Valley to Nijlen | 5,502.32 mi (8,855.13 km) |
| Castro Valley to Ninove | 5,502.05 mi (8,854.70 km) |
| Castro Valley to Nivelles | 5,523.71 mi (8,889.56 km) |
| Castro Valley to Olen | 5,508.79 mi (8,865.53 km) |
| Castro Valley to Oostakker | 5,480.99 mi (8,820.79 km) |
| Castro Valley to Oosterzele | 5,489.78 mi (8,834.95 km) |
| Castro Valley to Oostkamp | 5,463.05 mi (8,791.93 km) |
| Castro Valley to Opglabbeek | 5,534.44 mi (8,906.82 km) |
