| Perth to Oakley (California) | 4,986.59 mi (8,025.14 km) |
| Perth to Oakton (Virginia) | 3,455.72 mi (5,561.44 km) |
| Perth to Oakville (Missouri) | 3,953.45 mi (6,362.46 km) |
| Perth to Oatfield (Oregon) | 4,572.66 mi (7,358.99 km) |
| Perth to Ocala (Florida) | 4,142.91 mi (6,667.37 km) |
| Perth to Ocean Acres (New Jersey) | 3,300.53 mi (5,311.68 km) |
| Perth to Ocean City (New Jersey) | 3,335.90 mi (5,368.61 km) |
| Perth to Ocean Pines (Maryland) | 3,400.13 mi (5,471.98 km) |
| Perth to Ocean Pointe (Hawaii) | 6,866.56 mi (11,050.66 km) |
| Perth to Ocean Springs (Mississippi) | 4,325.06 mi (6,960.51 km) |
| Perth to Oceanside (California) | 5,140.34 mi (8,272.58 km) |
| Perth to Oceanside (New York) | 3,233.10 mi (5,203.18 km) |
| Perth to Ocoee (Florida) | 4,151.76 mi (6,681.61 km) |
| Perth to Oconomowoc (Wisconsin) | 3,651.75 mi (5,876.92 km) |
| Perth to Odenton (Maryland) | 3,424.21 mi (5,510.74 km) |
