Distance From Kos Airport to Antonio B. Won Pat International Airport, KGS - GUM Distance

The distance from Kos Airport (KGS) to Antonio B. Won Pat International Airport (GUM) is 7106 miles or 11436 kilometers or 6171 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 Kos Island ( Greece ) to Hagåtña ( Guam )?

A one-way nonstop (direct) flight between Kos Island and Hagåtña takes around 16 hours 20 minutes.

Estimated flight time from Kos Airport, Kos Island, Greece to Antonio B. Won Pat International Airport, Hagåtña, Guam is 16 hours 20 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 • KGS - GUM

Kilometers		11436 km
Statute Miles		7106 miles
Nautical Miles		6171 nm
Avg. Time of Flight		16 hours 20 minutes

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

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

Click to see flight route on Google Map between Kos Island, Greece and Hagåtña, Guam. .

Nonstop flight route between Kos Island, Greece and Hagåtña, Guam.

Time Difference Between the Airports • KGS - GUM

Time difference between Kos Island (Greece) and Hagåtña (Guam) is 8 Hours.
Hagåtña time is 8 Hours ahead of Kos Island.

Location	Local Time
Kos Island (Greece)	2025-12-15, 18:24:18 EET
Hagåtña (Guam)	2025-12-16, 02:24:18 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

Kos Airport (KGS / LGKO) Kos Island, Greece

Destination

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