Distance From Nissan Island Airport to Roberts International Airport, IIS - ROB Distance

The distance from Nissan Island Airport (IIS) to Roberts International Airport (ROB) is 11370 miles or 18298 kilometers or 9874 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 Nissan Island ( Papua New Guinea ) to Monrovia ( Liberia )?

A one-way nonstop (direct) flight between Nissan Island and Monrovia takes around 26 hours 8 minutes.

Estimated flight time from Nissan Island Airport, Nissan Island, Papua New Guinea to Roberts International Airport, Monrovia, Liberia is 26 hours 8 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 • IIS - ROB

Kilometers		18298 km
Statute Miles		11370 miles
Nautical Miles		9874 nm
Avg. Time of Flight		26 hours 8 minutes

Nissan Island Airport to Roberts International Airport Flight Route Map - IIS to ROB Flight Path

Location of Nissan Island Airport & Roberts International Airport is given below.
Click the map to view Nissan Island to Monrovia nonstop flight path and travel direction.

Click to see flight route on Google Map between Nissan Island, Papua New Guinea and Monrovia, Liberia. .

Nonstop flight route between Nissan Island, Papua New Guinea and Monrovia, Liberia.

Time Difference Between the Airports • IIS - ROB

Time difference between Nissan Island (Papua New Guinea) and Monrovia (Liberia) is 11 Hours.
Monrovia time is 11 Hours behind Nissan Island.

Location	Local Time
Nissan Island (Papua New Guinea)	2026-10-27, 21:06:15 +11
Monrovia (Liberia)	2026-10-27, 10:06:15 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

Nissan Island Airport (IIS / AYIA) Nissan Island, Papua New Guinea

Destination

Roberts International Airport (ROB / GLRB) Monrovia, Liberia