Distance From Galbraith Lake Airport to Antonio B. Won Pat International Airport, GBH - GUM Distance

The distance from Galbraith Lake Airport (GBH) to Antonio B. Won Pat International Airport (GUM) is 4745 miles or 7637 kilometers or 4121 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Galbraith Lake ( United States ) to Hagåtña ( Guam )?

A one-way nonstop (direct) flight between Galbraith Lake and Hagåtña takes around 10 hours 54 minutes.

Estimated flight time from Galbraith Lake Airport, Galbraith Lake, United States to Antonio B. Won Pat International Airport, Hagåtña, Guam is 10 hours 54 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • GBH - GUM

Kilometers		7637 km
Statute Miles		4745 miles
Nautical Miles		4121 nm
Avg. Time of Flight		10 hours 54 minutes

Galbraith Lake Airport to Antonio B. Won Pat International Airport Flight Route Map - GBH to GUM Flight Path

Location of Galbraith Lake Airport & Antonio B. Won Pat International Airport is given below.
Click the map to view Galbraith Lake to Hagåtña nonstop flight path and travel direction.

Click to see flight route on Google Map between Galbraith Lake, United States and Hagåtña, Guam. .

Nonstop flight route between Galbraith Lake, United States and Hagåtña, Guam.

Time Difference Between the Airports • GBH - GUM

Time difference between Galbraith Lake (United States) and Hagåtña (Guam) is 18 Hours.
Hagåtña time is 18 Hours ahead of Galbraith Lake.

Location	Local Time
Galbraith Lake (United States)	2026-05-07, 02:42:50 AKDT
Hagåtña (Guam)	2026-05-07, 20:42:50 ChST

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Galbraith Lake Airport (GBH / PAGB) Galbraith Lake, United States

Destination

Antonio B. Won Pat International Airport (GUM / PGUM) Hagåtña, Guam