Distance From Northeast Florida Regional Airport to Antonio B. Won Pat International Airport, UST - GUM Distance

The distance from Northeast Florida Regional Airport (UST) to Antonio B. Won Pat International Airport (GUM) is 8144 miles or 13106 kilometers or 7072 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 St Augustine ( United States ) to Hagåtña ( Guam )?

A one-way nonstop (direct) flight between St Augustine and Hagåtña takes around 18 hours 43 minutes.

Estimated flight time from Northeast Florida Regional Airport, St Augustine, United States to Antonio B. Won Pat International Airport, Hagåtña, Guam is 18 hours 43 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 • UST - GUM

Kilometers		13106 km
Statute Miles		8144 miles
Nautical Miles		7072 nm
Avg. Time of Flight		18 hours 43 minutes

Northeast Florida Regional Airport to Antonio B. Won Pat International Airport Flight Route Map - UST to GUM Flight Path

Location of Northeast Florida Regional Airport & Antonio B. Won Pat International Airport is given below.
Click the map to view St Augustine to Hagåtña nonstop flight path and travel direction.

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

Nonstop flight route between St Augustine, United States and Hagåtña, Guam.

Time Difference Between the Airports • UST - GUM

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

Location	Local Time
St Augustine (United States)	2026-09-23, 18:23:05 EDT
Hagåtña (Guam)	2026-09-24, 08:23:05 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

Northeast Florida Regional Airport (UST / KSGJ) St Augustine, United States

Destination

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