| Herstal to Oak Harbor (Washington) | 4,944.28 mi (7,957.05 km) |
| Herstal to Oak Hills (Oregon) | 5,111.99 mi (8,226.96 km) |
| Herstal to Oak Lawn (Illinois) | 4,205.99 mi (6,768.88 km) |
| Herstal to Oak Park (California) | 5,668.89 mi (9,123.20 km) |
| Herstal to Oak Park (Illinois) | 4,199.12 mi (6,757.83 km) |
| Herstal to Oak Park (Michigan) | 3,998.32 mi (6,434.68 km) |
| Herstal to Oak Ridge (Florida) | 4,600.45 mi (7,403.71 km) |
| Herstal to Oak Ridge (New Jersey) | 3,721.53 mi (5,989.23 km) |
| Herstal to Oak Ridge (Tennessee) | 4,348.86 mi (6,998.82 km) |
| Herstal to Oakdale (California) | 5,519.04 mi (8,882.04 km) |
| Herstal to Oakdale (Minnesota) | 4,237.35 mi (6,819.36 km) |
| Herstal to Oakland (California) | 5,555.70 mi (8,941.03 km) |
| Herstal to Oakland (New Jersey) | 3,711.24 mi (5,972.67 km) |
| Herstal to Oakland Park (Florida) | 4,662.34 mi (7,503.32 km) |
| Herstal to Oakleaf Plantation (Florida) | 4,533.29 mi (7,295.63 km) |
