"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 Philadelphia (PHL), USA to Barcelona (BCN), Spain illustrated on a map. Based on 6 recorded flights, the distance can vary between 3976 and 4110 miles.
Spain
Over water
Spain
Over water
Portugal