Distance From Juanda International Airport to Roberts International Airport, SUB - ROB Distance

The distance from Juanda International Airport (SUB) to Roberts International Airport (ROB) is 8538 miles or 13741 kilometers or 7415 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 Surabaya ( Indonesia ) to Monrovia ( Liberia )?

A one-way nonstop (direct) flight between Surabaya and Monrovia takes around 19 hours 37 minutes.

Estimated flight time from Juanda International Airport, Surabaya, Indonesia to Roberts International Airport, Monrovia, Liberia is 19 hours 37 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 • SUB - ROB

Kilometers		13741 km
Statute Miles		8538 miles
Nautical Miles		7415 nm
Avg. Time of Flight		19 hours 37 minutes

Juanda International Airport to Roberts International Airport Flight Route Map - SUB to ROB Flight Path

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

Click to see flight route on Google Map between Surabaya, Indonesia and Monrovia, Liberia. .

Nonstop flight route between Surabaya, Indonesia and Monrovia, Liberia.

Time Difference Between the Airports • SUB - ROB

Time difference between Surabaya (Indonesia) and Monrovia (Liberia) is 7 Hours.
Monrovia time is 7 Hours behind Surabaya.

Location	Local Time
Surabaya (Indonesia)	2026-04-02, 08:15:27 WIB
Monrovia (Liberia)	2026-04-02, 01:15:27 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

Juanda International Airport (SUB / WARR) Surabaya, Indonesia

Destination

Roberts International Airport (ROB / GLRB) Monrovia, Liberia