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

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

Driving distance from Houston (HOU) to Washington D.C. (IAD) is 1399 miles / 2252 kilometers and travel time by car is about 25 hours 52 minutes.

Houston – Washington D.C.

Distance arrow
1201
Miles
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1933
Kilometers
Distance arrow
1044
Nautical miles

How far is Washington D.C. from Houston?

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 Houston to Washington D.C. is 2 hours 46 minutes.

Time difference and current local times

The time difference between Houston and Washington D.C. is 1 hour. Washington D.C. is 1 hour ahead of Houston.

Houston time to Washington D.C. time converter

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

Current local times

Houston, TX

 CDT

Washington D.C.

 EDT

Carbon dioxide emissions

On average flying from Houston to Washington D.C. 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 Houston to Washington D.C.

Shortest flight path between Houston William P. Hobby Airport (HOU) and Washington Dulles International Airport (IAD).

Airport information

Origin 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
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