Distance From Slack Airport to Antonio B. Won Pat International Airport

The distance from Slack Airport () to Antonio B. Won Pat International Airport (GUM) is 7927 miles or 12757 kilometers or 6884 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 Forest Grove ( United States ) to Hagåtña ( Guam )?

A one-way nonstop (direct) flight between Forest Grove and Hagåtña takes around 18 hours 13 minutes.

Estimated flight time from Slack Airport, Forest Grove, United States to Antonio B. Won Pat International Airport, Hagåtña, Guam is 18 hours 13 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		12757 km
Statute Miles		7927 miles
Nautical Miles		6884 nm
Avg. Time of Flight		18 hours 13 minutes

Slack Airport to Antonio B. Won Pat International Airport Flight Route Map - to GUM Flight Path

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

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

Nonstop flight route between Forest Grove, United States and Hagåtña, Guam.

Time Difference Between the Airports • - GUM

Time difference between Forest Grove (United States) and Hagåtña (Guam) is 14 Hours.
Hagåtña time is 14 Hours ahead of Forest Grove.

Location	Local Time
Forest Grove (United States)	2026-03-14, 05:36:13 EDT
Hagåtña (Guam)	2026-03-14, 19:36:13 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

Slack Airport ( / 18PA) Forest Grove, United States

Destination

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