Distance From Calaveras Power Station Helipad to Antonio B. Won Pat International Airport

The distance from Calaveras Power Station Helipad () to Antonio B. Won Pat International Airport (GUM) is 7298 miles or 11745 kilometers or 6338 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 San Antonio ( United States ) to Hagåtña ( Guam )?

A one-way nonstop (direct) flight between San Antonio and Hagåtña takes around 16 hours 46 minutes.

Estimated flight time from Calaveras Power Station Helipad, San Antonio, United States to Antonio B. Won Pat International Airport, Hagåtña, Guam is 16 hours 46 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		11745 km
Statute Miles		7298 miles
Nautical Miles		6338 nm
Avg. Time of Flight		16 hours 46 minutes

Calaveras Power Station Helipad to Antonio B. Won Pat International Airport Flight Route Map - to GUM Flight Path

Location of Calaveras Power Station Helipad & Antonio B. Won Pat International Airport is given below.
Click the map to view San Antonio to Hagåtña nonstop flight path and travel direction.

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

Nonstop flight route between San Antonio, United States and Hagåtña, Guam.

Time Difference Between the Airports • - GUM

Time difference between San Antonio (United States) and Hagåtña (Guam) is 17 Hours.
Hagåtña time is 17 Hours ahead of San Antonio.

Location	Local Time
San Antonio (United States)	2026-11-08, 18:36:09 MST
Hagåtña (Guam)	2026-11-09, 11:36:09 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

Calaveras Power Station Helipad ( / ) San Antonio, United States

Destination

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