"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 Rome (FCO), Italy illustrated on a map. Based on 40 recorded flights, the distance can vary between 6381 and 6693 miles.