Distance From Roberts International Airport to Antonio B. Won Pat International Airport, ROB - GUM Distance

The distance from Roberts International Airport (ROB) to Antonio B. Won Pat International Airport (GUM) is 10255 miles or 16503 kilometers or 8905 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 Monrovia ( Liberia ) to Hagåtña ( Guam )?

A one-way nonstop (direct) flight between Monrovia and Hagåtña takes around 23 hours 34 minutes.

Estimated flight time from Roberts International Airport, Monrovia, Liberia to Antonio B. Won Pat International Airport, Hagåtña, Guam is 23 hours 34 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 • ROB - GUM

Kilometers		16503 km
Statute Miles		10255 miles
Nautical Miles		8905 nm
Avg. Time of Flight		23 hours 34 minutes

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

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

Click to see flight route on Google Map between Monrovia, Liberia and Hagåtña, Guam. .

Nonstop flight route between Monrovia, Liberia and Hagåtña, Guam.

Time Difference Between the Airports • ROB - GUM

Time difference between Monrovia (Liberia) and Hagåtña (Guam) is 10 Hours.
Hagåtña time is 10 Hours ahead of Monrovia.

Location	Local Time
Monrovia (Liberia)	2025-12-15, 12:59:41 GMT
Hagåtña (Guam)	2025-12-15, 22:59:41 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

Roberts International Airport (ROB / GLRB) Monrovia, Liberia

Destination

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