How far is Washington D.C. from Houston, TX?
The distance between Houston (Houston William P. Hobby Airport) and Washington D.C. (Washington Dulles International Airport) is 1201 miles / 1933 kilometers / 1044 nautical miles.
The driving distance from Houston (HOU) to Washington D.C. (IAD) is 1397 miles / 2248 kilometers, and travel time by car is about 25 hours 40 minutes.
Houston William P. Hobby Airport – Washington Dulles International Airport
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Distance from Houston to Washington D.C.
There are several ways to calculate the distance from Houston to Washington D.C.. Here are two standard 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 planet.
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).
How long does it take to fly from Houston to Washington D.C.?
The estimated flight time from Houston William P. Hobby Airport to Washington Dulles International Airport is 2 hours and 46 minutes.
What is the time difference between Houston and Washington D.C.?
Flight carbon footprint between Houston William P. Hobby Airport (HOU) and Washington Dulles International Airport (IAD)
On average, flying from Houston to Washington D.C. generates about 161 kg of CO2 per passenger, and 161 kilograms equals 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.
See the map of the 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  |
| 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 |
| IATA Code: | IAD |
| ICAO Code: | KIAD |
| Coordinates: | 38°56′40″N, 77°27′20″W |