Air Miles Calculator

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

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

How far is Houston from Washington D.C.?

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

Time Difference

Washington D.C.
Houston

Washington D.C.

 EDT

Houston, TX

 CDT

Carbon dioxide emissions

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

Airport information


A 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

B 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

Washington D.C. to Houston flight path

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

Frequent Flyer Miles Calculator

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

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?