"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 Dulles (IAD), USA to Orlando (MCO), USA illustrated on a map. Based on 6 recorded flights, the distance can vary between 811 and 823 miles.
Over water
Over water