"See actual flight paths with flightpaths.com"
Weather, politics and local regulations can affect the choice of airspace and flight corridors. Flightpaths.com lets you see the real flight paths and compare passenger airlines and flight times simplified on an interactive map.
Flights from Houston (IAH), USA to Sydney (SYD), Australia illustrated on a map. Based on 6 recorded flights, the distance can vary between 8690 and 8984 miles.
Australia
Over water
Australia
Over water
Mexico
You can also check the reverse route: Sydney to Houston