Distance From Winchell Mountain Airport to Antonio B. Won Pat International Airport

The distance from Winchell Mountain Airport () to Antonio B. Won Pat International Airport (GUM) is 7898 miles or 12710 kilometers or 6859 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 Millerton ( United States ) to Hagåtña ( Guam )?

A one-way nonstop (direct) flight between Millerton and Hagåtña takes around 18 hours 9 minutes.

Estimated flight time from Winchell Mountain Airport, Millerton, United States to Antonio B. Won Pat International Airport, Hagåtña, Guam is 18 hours 9 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		12710 km
Statute Miles		7898 miles
Nautical Miles		6859 nm
Avg. Time of Flight		18 hours 9 minutes

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

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

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

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

Time Difference Between the Airports • - GUM

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

Location	Local Time
Millerton (United States)	2026-08-02, 12:44:31 EDT
Hagåtña (Guam)	2026-08-03, 02:44:31 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

Winchell Mountain Airport ( / 41NK) Millerton, United States

Destination

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