Distance From Alpha Airport to Roberts International Airport

The distance from Alpha Airport () to Roberts International Airport (ROB) is 10489 miles or 16881 kilometers or 9109 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 Alpha ( Australia ) to Monrovia ( Liberia )?

A one-way nonstop (direct) flight between Alpha and Monrovia takes around 24 hours 6 minutes.

Estimated flight time from Alpha Airport, Alpha, Australia to Roberts International Airport, Monrovia, Liberia is 24 hours 6 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		16881 km
Statute Miles		10489 miles
Nautical Miles		9109 nm
Avg. Time of Flight		24 hours 6 minutes

Alpha Airport to Roberts International Airport Flight Route Map - to ROB Flight Path

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

Click to see flight route on Google Map between Alpha, Australia and Monrovia, Liberia. .

Nonstop flight route between Alpha, Australia and Monrovia, Liberia.

Time Difference Between the Airports • - ROB

Time difference between Alpha (Australia) and Monrovia (Liberia) is 10 Hours.
Monrovia time is 10 Hours behind Alpha.

Location	Local Time
Alpha (Australia)	2026-06-21, 18:54:31 AEST
Monrovia (Liberia)	2026-06-21, 08:54:31 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

Alpha Airport ( / ) Alpha, Australia

Destination

Roberts International Airport (ROB / GLRB) Monrovia, Liberia