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Distance between Washington D.C. (IAD) and Houston, TX (IAH)

Flight distance from Washington D.C. to Houston (Washington Dulles International Airport – Houston George Bush Intercontinental Airport) is 1190 miles / 1915 kilometers / 1034 nautical miles. Estimated flight time is 2 hours 45 minutes.

Driving distance from Washington D.C. (IAD) to Houston (IAH) is 1375 miles / 2213 kilometers and travel time by car is about 25 hours 37 minutes.

Washington D.C. – Houston

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1190
Miles
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1915
Kilometers
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1034
Nautical miles

How far is Houston from Washington D.C.?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common 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 earth.

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 Washington D.C. to Houston?

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

What is the time difference between Washington D.C. and Houston?

The time difference between Washington D.C. and Houston is 1 hour. Houston is 1 hour behind Washington D.C..
Washington D.C. time to Houston time converter

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

On average flying from Washington D.C. to Houston generates about 161 kg of CO2 per passenger, 161 kilograms is equal to 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 Washington D.C. to Houston

Shortest flight path between Washington Dulles International Airport (IAD) and Houston George Bush Intercontinental Airport (IAH).

Airport information

Origin 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
Destination 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

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

United Airlines