# Distance between Houston, TX (IAH) and Seattle, WA (SEA)

Flight distance from Houston to Seattle (Houston George Bush Intercontinental Airport – Seattle–Tacoma International Airport) is 1874 miles / 3016 kilometers / 1628 nautical miles. Estimated flight time is 4 hours 2 minutes.

Driving distance from Houston (IAH) to Seattle (SEA) is 2347 miles / 3777 kilometers and travel time by car is about 41 hours 44 minutes.

1874
Miles
3016
Kilometers
1628
Nautical miles
4 h 2 min
206 kg

## How far is Seattle from Houston?

There are several ways to calculate distances between Los Angeles and Chicago. 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).

## Flight Duration

Estimated flight time from Houston George Bush Intercontinental Airport to Seattle–Tacoma International Airport is 4 hours 2 minutes.

## Time difference

The time difference between Houston and Seattle is 2 hours. Seattle is 2 hours behind Houston.
Houston time to Seattle time converter

## Carbon dioxide emissions

On average flying from Houston to Seattle generates about 206 kg of CO2 per passenger, 206 kilograms is equal to 454 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

## Map of flight path and driving directions from Houston to Seattle

Shortest flight path between Houston George Bush Intercontinental Airport (IAH) and Seattle–Tacoma International Airport (SEA).

## Airport information

Origin 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
Destination Seattle–Tacoma International Airport
City: Seattle, WA
Country: United States
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″W