Air Miles Calculator

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

Flight distance from Washington D.C. to Houston (Ronald Reagan Washington National Airport – Houston William P. Hobby Airport) is 1218 miles / 1961 kilometers / 1059 nautical miles. Estimated flight time is 2 hours 48 minutes.

Driving distance from Washington D.C. (DCA) to Houston (HOU) is 1414 miles / 2276 kilometers and travel time by car is about 24 hours 45 minutes.

Map of flight path and driving directions from Washington D.C. to Houston.

Shortest flight path between Ronald Reagan Washington National Airport (DCA) and Houston William P. Hobby Airport (HOU).

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)
  • 1218.298 miles
  • 1960.660 kilometers
  • 1058.672 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
  • 1217.166 miles
  • 1958.838 kilometers
  • 1057.688 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).

Airport information


A Ronald Reagan Washington National Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: DCA
ICAO Code: KDCA
Coordinates: 38°51′7″N, 77°2′15″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

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.

 EDT

Houston, TX

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 162 kg (358 pounds).

Frequent Flyer Miles Calculator

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

Distance:
1218
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1218

Round trip?