Distance between Dallas, TX (DFW) and Houston, TX (IAH)
Distance from Dallas to Houston (Dallas/Fort Worth International Airport – George Bush Intercontinental Airport) is 224 miles / 361 kilometers / 195 nautical miles.
Calculate Distance
Search by airport name, city or IATA airport code.
Multiple airports
Dallas - Houston
How far is Houston from Dallas?
There are several ways to calculate distances between Dallas and Houston. Here are two common methods:
Vincenty's formula (applied above)- 224.277 miles
- 360.938 kilometers
- 194.891 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- 224.701 miles
- 361.621 kilometers
- 195.260 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 Dallas/Fort Worth International Airport (DFW) to George Bush Intercontinental Airport (IAH) is 55 minutes.
Time difference and current local times
There is no time difference between Dallas and Houston.
Time Difference
Dallas, TX
Houston, TX
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 56 kg (123 pounds).
Airport information
| A | Dallas/Fort Worth International Airport |
|---|---|
| City: | Dallas, TX |
| Country: | United States  |
| IATA Code: | DFW |
| ICAO Code: | KDFW |
| Coordinates: | 32°53′48″N, 97°2′16″W |
| B | 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 |
Map
Dallas to Houston flight map.
Frequent Flyer Miles Calculator
Dallas (DFW) → Houston (IAH).
In total
Round trip?