Air Miles Calculator

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

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

Driving distance from Houston (HOU) to Washington D.C. (DCA) is 1414 miles / 2275 kilometers and travel time by car is about 24 hours 37 minutes.

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

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

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)
  • 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 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

B 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

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, TX

 CDT

Washington D.C.

 EDT

Carbon dioxide emissions

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

Frequent Flyer Miles Calculator

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

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

In total

Total frequent flyer miles:
1218

Round trip?