Distance From Adventist Health Castle Helipad to Antonio B. Won Pat International Airport

The distance from Adventist Health Castle Helipad () to Antonio B. Won Pat International Airport (GUM) is 3807 miles or 6126 kilometers or 3306 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 Kailua ( United States ) to Hagåtña ( Guam )?

A one-way nonstop (direct) flight between Kailua and Hagåtña takes around 8 hours 45 minutes.

Estimated flight time from Adventist Health Castle Helipad, Kailua, United States to Antonio B. Won Pat International Airport, Hagåtña, Guam is 8 hours 45 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 • - GUM

Kilometers		6126 km
Statute Miles		3807 miles
Nautical Miles		3306 nm
Avg. Time of Flight		8 hours 45 minutes

Adventist Health Castle Helipad to Antonio B. Won Pat International Airport Flight Route Map - to GUM Flight Path

Location of Adventist Health Castle Helipad & Antonio B. Won Pat International Airport is given below.
Click the map to view Kailua to Hagåtña nonstop flight path and travel direction.

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

Nonstop flight route between Kailua, United States and Hagåtña, Guam.

Time Difference Between the Airports • - GUM

Time difference between Kailua (United States) and Hagåtña (Guam) is 20 Hours.
Hagåtña time is 20 Hours ahead of Kailua.

Location	Local Time
Kailua (United States)	2026-06-23, 10:54:49 HST
Hagåtña (Guam)	2026-06-24, 06:54:49 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

Adventist Health Castle Helipad ( / ) Kailua, United States

Destination

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