"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 Seattle (SEA), USA to Baltimore (BWI), USA illustrated on a map. Based on 15 recorded flights, the distance can vary between 2364 and 2532 miles.
Over water
Over water
Canada
You can also check the reverse route: Baltimore to Seattle