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

Flight distance from Washington D.C. to Houston (Ronald Reagan Washington National Airport – Houston George Bush Intercontinental Airport) is 1208 miles / 1944 kilometers / 1049 nautical miles. Estimated flight time is 2 hours 47 minutes.

Driving distance from Washington D.C. (DCA) to Houston (IAH) is 1403 miles / 2258 kilometers and travel time by car is about 26 hours 11 minutes.

1208
Miles
1944
Kilometers
1049
Nautical miles
2 h 47 min
162 kg

## How far is Houston from Washington D.C.?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common methods:

Vincenty's formula (applied above)
• 1207.698 miles
• 1943.602 kilometers
• 1049.461 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
• 1206.475 miles
• 1941.634 kilometers
• 1048.398 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 Ronald Reagan Washington National Airport to Houston George Bush Intercontinental Airport is 2 hours 47 minutes.

## Time difference

The time difference between Washington D.C. and Houston is 1 hour. Houston is 1 hour behind Washington D.C..
Washington D.C. time to Houston time converter

## Carbon dioxide emissions

On average flying from Washington D.C. to Houston generates about 162 kg of CO2 per passenger, 162 kilograms is equal to 357 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

## 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 George Bush Intercontinental Airport (IAH).

## Airport information

Origin 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
Destination Houston George Bush Intercontinental Airport
City: Houston, TX
Country: United States
IATA Code: IAH
ICAO Code: KIAH
Coordinates: 29°59′3″N, 95°20′29″W