"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 Singapore (SIN), Singapore to Seattle (SEA), USA illustrated on a map. Based on 12 recorded flights, the distance can vary between 8190 and 8281 miles.
Japan
Malaysia
Over water
Malaysia
Over water
Japan
You can also check the reverse route: Seattle to Singapore