"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 Boston (BOS), USA to San Francisco (SFO), USA illustrated on a map. Based on 13 recorded flights, the distance can vary between 2753 and 2962 miles.
Canada
Over water
Canada
Over water
Canada
Over water
You can also check the reverse route: San Francisco to Boston