# 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
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
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..

EDT

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?