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.
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Multiple airports
Washington D.C. - Houston
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, TX
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  |
| 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 |
| 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).
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