| Perth to Oak Harbor (Washington) | 4,405.11 mi (7,089.33 km) |
| Perth to Oak Hills (Oregon) | 4,571.47 mi (7,357.08 km) |
| Perth to Oak Lawn (Illinois) | 3,695.12 mi (5,946.72 km) |
| Perth to Oak Park (California) | 5,127.60 mi (8,252.07 km) |
| Perth to Oak Park (Illinois) | 3,687.72 mi (5,934.80 km) |
| Perth to Oak Park (Michigan) | 3,494.91 mi (5,624.52 km) |
| Perth to Oak Ridge (Florida) | 4,153.11 mi (6,683.79 km) |
| Perth to Oak Ridge (New Jersey) | 3,245.99 mi (5,223.92 km) |
| Perth to Oak Ridge (Tennessee) | 3,864.02 mi (6,218.53 km) |
| Perth to Oakdale (California) | 4,976.48 mi (8,008.88 km) |
| Perth to Oakdale (Minnesota) | 3,710.31 mi (5,971.16 km) |
| Perth to Oakland (California) | 5,013.13 mi (8,067.85 km) |
| Perth to Oakland (New Jersey) | 3,236.47 mi (5,208.60 km) |
| Perth to Oakland Park (Florida) | 4,229.51 mi (6,806.74 km) |
| Perth to Oakleaf Plantation (Florida) | 4,077.72 mi (6,562.46 km) |
