Distance From Upper Loon Creek US Forest Service Airport to Antonio B. Won Pat International Airport

The distance from Upper Loon Creek US Forest Service Airport () to Antonio B. Won Pat International Airport (GUM) is 6065 miles or 9760 kilometers or 5267 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 Challis ( United States ) to Hagåtña ( Guam )?

A one-way nonstop (direct) flight between Challis and Hagåtña takes around 13 hours 56 minutes.

Estimated flight time from Upper Loon Creek US Forest Service Airport, Challis, United States to Antonio B. Won Pat International Airport, Hagåtña, Guam is 13 hours 56 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		9760 km
Statute Miles		6065 miles
Nautical Miles		5267 nm
Avg. Time of Flight		13 hours 56 minutes

Upper Loon Creek US Forest Service Airport to Antonio B. Won Pat International Airport Flight Route Map - to GUM Flight Path

Location of Upper Loon Creek US Forest Service Airport & Antonio B. Won Pat International Airport is given below.
Click the map to view Challis to Hagåtña nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • - GUM

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

Location	Local Time
Challis (United States)	2026-11-07, 12:48:57 MST
Hagåtña (Guam)	2026-11-08, 05:48:57 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

Upper Loon Creek US Forest Service Airport ( / U72) Challis, United States

Destination

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