Air Miles Calculator

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

Distance from Houston to Washington D.C. (William P. Hobby Airport – Washington Dulles International Airport) is 1201 miles / 1933 kilometers / 1044 nautical miles.

How far is Washington D.C. from Houston?

There are several ways to calculate distances between Houston and Washington D.C.. 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 William P. Hobby Airport (HOU) to Washington Dulles International Airport (IAD) 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.

Time Difference

Houston
Washington D.C.

Houston, TX

 CST

Washington D.C.

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 161 kg (356 pounds).

Airport information


A 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

B 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

Map

Houston to Washington D.C. flight map.

Frequent Flyer Miles Calculator

Houston (HOU) → Washington D.C. (IAD).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1201
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1201

Round trip?