Flight distance from Seattle to Washington D.C. (Seattle–Tacoma International Airport – Ronald Reagan Washington National Airport) is 2328 miles / 3747 kilometers / 2023 nautical miles. Estimated flight time is 4 hours 54 minutes.
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Driving distance from Seattle (SEA) to Washington D.C. (DCA) is 2803 miles / 4511 kilometers and travel time by car is about 49 hours 26 minutes.
How far is Washington D.C. from Seattle?
There are several ways to calculate distances between Los Angeles and Chicago. Here are two common methods:
Vincenty”s formula (applied above)2328.467 miles3747.304 kilometers2023.382 nautical miles
Vincenty”s formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.
Haversine formula2322.777 miles3738.148 kilometers2018.438 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
Time difference and current local times
The time difference between Seattle and Washington D.C. is 3 hours. Washington D.C. is 3 hours ahead of Seattle.
Seattle time to Washington D.C. time converter
Time in Seattle: 00:00⇆Time in Washington D.C.: 00:00
Carbon dioxide emissions
On average flying from Seattle to Washington D.C. generates about 255 kg of CO2 per passenger, 255 kilograms is equal to 563 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Seattle to Washington D.C.
Shortest flight path between Seattle–Tacoma International Airport (SEA) and Ronald Reagan Washington National Airport (DCA).
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