Air Miles Calculator logo

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

The distance between Houston (Houston George Bush Intercontinental Airport) and Washington D.C. (Ronald Reagan Washington National Airport) is 1208 miles / 1944 kilometers / 1049 nautical miles.

The driving distance from Houston (IAH) to Washington D.C. (DCA) is 1388 miles / 2233 kilometers, and travel time by car is about 25 hours 57 minutes.

Houston George Bush Intercontinental Airport – Ronald Reagan Washington National Airport

Distance arrow
1208
Miles
Distance arrow
1944
Kilometers
Distance arrow
1049
Nautical miles

Search flights

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)
  • 1207.698 miles
  • 1943.602 kilometers
  • 1049.461 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
  • 1206.475 miles
  • 1941.634 kilometers
  • 1048.398 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 Ronald Reagan Washington National Airport is 2 hours and 47 minutes.

Flight carbon footprint between Houston George Bush Intercontinental Airport (IAH) and Ronald Reagan Washington National Airport (DCA)

On average, flying from Houston to Washington D.C. generates about 162 kg of CO2 per passenger, and 162 kilograms equals 357 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 Ronald Reagan Washington National Airport (DCA).

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 Ronald Reagan Washington National Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: DCA
ICAO Code: KDCA
Coordinates: 38°51′7″N, 77°2′15″W

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

United Airlines