Distance From Hai Au Seaplane Base to Roberts International Airport

The distance from Hai Au Seaplane Base () to Roberts International Airport (ROB) is 7795 miles or 12545 kilometers or 6770 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 Ha Long ( Vietnam ) to Monrovia ( Liberia )?

A one-way nonstop (direct) flight between Ha Long and Monrovia takes around 17 hours 55 minutes.

Estimated flight time from Hai Au Seaplane Base, Ha Long, Vietnam to Roberts International Airport, Monrovia, Liberia is 17 hours 55 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

Kilometers		12545 km
Statute Miles		7795 miles
Nautical Miles		6770 nm
Avg. Time of Flight		17 hours 55 minutes

Hai Au Seaplane Base to Roberts International Airport Flight Route Map - to ROB Flight Path

Location of Hai Au Seaplane Base & Roberts International Airport is given below.
Click the map to view Ha Long to Monrovia nonstop flight path and travel direction.

Click to see flight route on Google Map between Ha Long, Vietnam and Monrovia, Liberia. .

Nonstop flight route between Ha Long, Vietnam and Monrovia, Liberia.

Time Difference Between the Airports • - ROB

Time difference between Ha Long (Vietnam) and Monrovia (Liberia) is 7 Hours.
Monrovia time is 7 Hours behind Ha Long.

Location	Local Time
Ha Long (Vietnam)	2026-08-04, 09:50:02 +07
Monrovia (Liberia)	2026-08-04, 02:50:02 GMT

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

Hai Au Seaplane Base ( / ) Ha Long, Vietnam

Destination

Roberts International Airport (ROB / GLRB) Monrovia, Liberia