Air Miles Calculator logo

How far is Seattle, WA, from Baltimore, MD?

The distance between Baltimore (Baltimore–Washington International Airport) and Seattle (Seattle–Tacoma International Airport) is 2335 miles / 3757 kilometers / 2029 nautical miles.

The driving distance from Baltimore (BWI) to Seattle (SEA) is 2752 miles / 4429 kilometers, and travel time by car is about 49 hours 23 minutes.

Baltimore–Washington International Airport – Seattle–Tacoma International Airport

Distance arrow
2335
Miles
Distance arrow
3757
Kilometers
Distance arrow
2029
Nautical miles

Search flights

Distance from Baltimore to Seattle

There are several ways to calculate the distance from Baltimore to Seattle. Here are two standard methods:

Vincenty's formula (applied above)
  • 2334.760 miles
  • 3757.432 kilometers
  • 2028.851 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 2328.988 miles
  • 3748.142 kilometers
  • 2023.835 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).

How long does it take to fly from Baltimore to Seattle?

The estimated flight time from Baltimore–Washington International Airport to Seattle–Tacoma International Airport is 4 hours and 55 minutes.

Flight carbon footprint between Baltimore–Washington International Airport (BWI) and Seattle–Tacoma International Airport (SEA)

On average, flying from Baltimore to Seattle generates about 256 kg of CO2 per passenger, and 256 kilograms equals 564 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Baltimore to Seattle

See the map of the shortest flight path between Baltimore–Washington International Airport (BWI) and Seattle–Tacoma International Airport (SEA).

Airport information

Origin Baltimore–Washington International Airport
City: Baltimore, MD
Country: United States Flag of United States
IATA Code: BWI
ICAO Code: KBWI
Coordinates: 39°10′31″N, 76°40′5″W
Destination Seattle–Tacoma International Airport
City: Seattle, WA
Country: United States Flag of United States
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″W

Airlines flying from Baltimore (BWI) to Seattle (SEA)

Southwest Airlines