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

Flight distance from Washington D.C. to Houston (Washington Dulles International Airport – Houston William P. Hobby Airport) is 1201 miles / 1933 kilometers / 1044 nautical miles. Estimated flight time is 2 hours 46 minutes.

Driving distance from Washington D.C. (IAD) to Houston (HOU) is 1397 miles / 2248 kilometers and travel time by car is about 25 hours 50 minutes.

Washington D.C. – Houston

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1201
Miles
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1933
Kilometers
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1044
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)
  • 1200.933 miles
  • 1932.715 kilometers
  • 1043.582 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
  • 1199.887 miles
  • 1931.031 kilometers
  • 1042.674 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).

Flight Duration

Estimated flight time from Washington D.C. to Houston is 2 hours 46 minutes.

Time difference and current local times

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

Time in Washington D.C.: 00:00 ⇆ Time in Houston: 00:00

Current local times

Washington D.C.

 EDT

Houston, TX

 CDT

Carbon dioxide emissions

On average flying from Washington D.C. to Houston generates about 161 kg of CO2 per passenger, 161 kilograms is equal to 356 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 William P. Hobby Airport (HOU).

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 William P. Hobby Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: HOU
ICAO Code: KHOU
Coordinates: 29°38′43″N, 95°16′44″W