How far is Houston, TX, from Unalaska, AK?

The distance between Unalaska (Unalaska Airport) and Houston (Houston George Bush Intercontinental Airport) is 3833 miles / 6169 kilometers / 3331 nautical miles.

Distance from Unalaska to Houston

There are several ways to calculate the distance from Unalaska to Houston. Here are two standard methods:

Vincenty's formula (applied above)

• 3833.047 miles
• 6168.691 kilometers
• 3330.827 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula

• 3825.834 miles
• 6157.083 kilometers
• 3324.559 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).

How long does it take to fly from Unalaska to Houston?

The estimated flight time from Unalaska Airport to Houston George Bush Intercontinental Airport is 7 hours and 45 minutes.

What is the time difference between Unalaska and Houston?

The time difference between Unalaska and Houston is 4 hours. Houston is 4 hours ahead of Unalaska.

Flight carbon footprint between Unalaska Airport (DUT) and Houston George Bush Intercontinental Airport (IAH)

On average, flying from Unalaska to Houston generates about 436 kg of CO2 per passenger, and 436 kilograms equals 960 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Unalaska to Houston

See the map of the shortest flight path between Unalaska Airport (DUT) and Houston George Bush Intercontinental Airport (IAH).

Airport information

Origin	Unalaska Airport
City:	Unalaska, AK
Country:	United States
IATA Code:	DUT
ICAO Code:	PADU
Coordinates:	53°54′0″N, 166°32′38″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