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How far is Washington D.C. from Houston, TX?

The distance between Houston (Houston George Bush Intercontinental Airport) and Washington D.C. (Washington Dulles International Airport) is 1190 miles / 1915 kilometers / 1034 nautical miles.

The driving distance from Houston (IAH) to Washington D.C. (IAD) is 1373 miles / 2209 kilometers, and travel time by car is about 25 hours 36 minutes.

Houston George Bush Intercontinental Airport – Washington Dulles International Airport

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1190
Miles
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1915
Kilometers
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1034
Nautical miles

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Distance from Houston to Washington D.C.

There are several ways to calculate the distance from Houston to Washington D.C.. Here are two standard methods:

Vincenty's formula (applied above)
  • 1190.057 miles
  • 1915.211 kilometers
  • 1034.131 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
  • 1188.919 miles
  • 1913.380 kilometers
  • 1033.143 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 Houston to Washington D.C.?

The estimated flight time from Houston George Bush Intercontinental Airport to Washington Dulles International Airport is 2 hours and 45 minutes.

Flight carbon footprint between Houston George Bush Intercontinental Airport (IAH) and Washington Dulles International Airport (IAD)

On average, flying from Houston to Washington D.C. generates about 161 kg of CO2 per passenger, and 161 kilograms equals 355 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Houston to Washington D.C.

See the map of the shortest flight path between Houston George Bush Intercontinental Airport (IAH) and Washington Dulles International Airport (IAD).

Airport information

Origin Houston George Bush Intercontinental Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: IAH
ICAO Code: KIAH
Coordinates: 29°59′3″N, 95°20′29″W
Destination Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″W

Airlines flying from Houston (IAH) to Washington D.C. (IAD)

United Airlines