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

The distance between Houston (Houston William P. Hobby Airport) and Unalaska (Unalaska Airport) is 3853 miles / 6200 kilometers / 3348 nautical miles.

Distance from Houston to Unalaska

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

Vincenty's formula (applied above)

• 3852.762 miles
• 6200.419 kilometers
• 3347.959 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

• 3845.613 miles
• 6188.914 kilometers
• 3341.746 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 Houston to Unalaska?

The estimated flight time from Houston William P. Hobby Airport to Unalaska Airport is 7 hours and 47 minutes.

What is the time difference between Houston and Unalaska?

The time difference between Houston and Unalaska is 4 hours. Unalaska is 4 hours behind Houston.

Flight carbon footprint between Houston William P. Hobby Airport (HOU) and Unalaska Airport (DUT)

On average, flying from Houston to Unalaska generates about 438 kg of CO2 per passenger, and 438 kilograms equals 966 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Houston to Unalaska

See the map of the shortest flight path between Houston William P. Hobby Airport (HOU) and Unalaska Airport (DUT).

Airport information

Origin	Houston William P. Hobby Airport
City:	Houston, TX
Country:	United States
IATA Code:	HOU
ICAO Code:	KHOU
Coordinates:	29°38′43″N, 95°16′44″W

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