How far is Seattle from Houston?
There are several ways to calculate distances between Houston and Seattle. Here are two common methods:Vincenty's formula (applied above)
- 1873.816 miles
- 3015.614 kilometers
- 1628.301 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
- 1872.446 miles
- 3013.409 kilometers
- 1627.111 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).
Estimated flight time from George Bush Intercontinental Airport (IAH) to Seattle–Tacoma International Airport (SEA) is 4 hours 2 minutes.
Time difference and current local times
The time difference between Houston and Seattle is 2 hours. Seattle is 2 hours behind Houston.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 216 kg (477 pounds).
Houston to Seattle flight map.
Frequent Flyer Miles Calculator
Houston (IAH) → Seattle (SEA).