| Horsforth to Oak Harbor (Washington) | 4,586.59 mi (7,381.41 km) |
| Horsforth to Oak Hills (Oregon) | 4,751.40 mi (7,646.64 km) |
| Horsforth to Oak Lawn (Illinois) | 3,831.35 mi (6,165.96 km) |
| Horsforth to Oak Park (California) | 5,295.30 mi (8,521.97 km) |
| Horsforth to Oak Park (Illinois) | 3,824.35 mi (6,154.69 km) |
| Horsforth to Oak Park (Michigan) | 3,625.65 mi (5,834.91 km) |
| Horsforth to Oak Ridge (Florida) | 4,250.04 mi (6,839.78 km) |
| Horsforth to Oak Ridge (New Jersey) | 3,358.35 mi (5,404.75 km) |
| Horsforth to Oak Ridge (Tennessee) | 3,982.59 mi (6,409.36 km) |
| Horsforth to Oakdale (California) | 5,149.31 mi (8,287.01 km) |
| Horsforth to Oakdale (Minnesota) | 3,859.96 mi (6,212.01 km) |
| Horsforth to Oakland (California) | 5,187.29 mi (8,348.13 km) |
| Horsforth to Oakland (New Jersey) | 3,348.35 mi (5,388.66 km) |
| Horsforth to Oakland Park (Florida) | 4,318.74 mi (6,950.35 km) |
| Horsforth to Oakleaf Plantation (Florida) | 4,179.14 mi (6,725.67 km) |
