Distance from SEA Airport to DCA Airport

Distance

2,805 mi

Time

1 day 16 hours

Gas Cost

$219 - $425

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There are 2,322.69 miles from Seattle–Tacoma International Airport (SEA) to Ronald Reagan Washington National Airport (DCA) in southeast direction and 2,805 miles (4,514.21 kilometers) by car, following the I-90 route.

SEA Airport and DCA Airport are 1 day 16 hours far apart, if you drive non-stop.

This is the fastest route from SEA Airport to DCA Airport. The halfway point is Oacoma, SD.

Please note the time difference between SEA Airport and DCA Airport is 3 hours. The current time in SEA Airport is 11:27 pm (Nov 19) and the current time in DCA Airport is 2:27 am (Nov 20).

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Gas Consumption and Emissions

A car with an MPG of will need 129.86 gallons of gas to cover the route between SEA Airport and DCA Airport.

The estimated cost of gas to go from SEA Airport to DCA Airport is $354.53.

During the route, an average car will release 2,544.31 pounds of CO2 to the atmosphere. Your carbon footprint is 0.91 pounds of CO2 per mile.


Halfway Point Between SEA Airport and DCA Airport

If you want to meet halfway between SEA Airport and DCA Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.726898 and -99.555496, or 43º 43' 36.8328" N, 99º 33' 19.7856" W. This location is 1,402.54 miles away from SEA Airport and DCA Airport and it would take approximately 20 hours 22 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Oacoma, SD, situated 1396.43 miles from SEA Airport and 1409.26 miles from DCA Airport. It would take 20 hours 2 mins to go from SEA to Oacoma and 20 hours 53 mins to go from DCA to Oacoma.

Major Cities Along the Route

Some major cities along the route include Billings, MT,Spokane, WA,Renton, WA,Kent, WA, and Sioux Falls, SD.

Best Hotels In or Near DCA Airport

Do you have where to stay when you arrive to DCA Airport? Check out our hotel recommendations:


Lowest Price Rental Cars in SEA Airport

Planning on renting a car to go from SEA Airport to DCA Airport? Here there are some offers to rent a car in or near SEA Airport:

Small

Small cars

From $14

Intermediate

Intermediate cars

From $18

Full-size

Full-size cars

From $24

SUVs

SUVs

From $28

Vans

Vans

From $40


Compare rental car prices in Seattle–Tacoma International Airport »

Weather in SEA and DCA

SEA

Rain on Wednesday through next Monday, with high temperatures bottoming out at 49°F on Saturday.

Mon
Nov 19
Tue
Nov 20
Wed
Nov 21
Thu
Nov 22
Fri
Nov 23
Clear day Partly cloudy day Rain Rain Rain
57° 38° 58° 40° 50° 46° 51° 46° 50° 43°
6% Rain probability 4% Rain probability 94% Rain probability 97% Rain probability 98% Rain probability
2 88 degrees 3 133 degrees 5 159 degrees 8 179 degrees 10 214 degrees

DCA

Rain on Saturday through next Monday, with high temperatures falling to 38°F on Thursday.

Mon
Nov 19
Tue
Nov 20
Wed
Nov 21
Thu
Nov 22
Fri
Nov 23
Partly cloudy day Partly cloudy day Partly cloudy day Clear day Partly cloudy day
55° 39° 52° 40° 51° 33° 38° 27° 45° 25°
23% Rain probability 10% Rain probability 5% Rain probability 5% Rain probability 0% Rain probability
3 192 degrees 8 296 degrees 7 291 degrees 8 357 degrees 4 146 degrees

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between SEA Airport and DCA Airport in this table:

Distance type Miles Kilometers Nautical miles
Straight line distance 2,322.69 mi 3,737.99 km 2,018.36 nautical mi
Driving distance 2,805 mi 4,514.32 km 2,437.54 nautical mi

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