Distance From Okayama Momotaro Airport to Roberts International Airport, OKJ - ROB Distance

The distance from Okayama Momotaro Airport (OKJ) to Roberts International Airport (ROB) is 8769 miles or 14112 kilometers or 7615 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.

---

How long does it take to travel from Okayama ( Japan ) to Monrovia ( Liberia )?

A one-way nonstop (direct) flight between Okayama and Monrovia takes around 20 hours 9 minutes.

Estimated flight time from Okayama Momotaro Airport, Okayama, Japan to Roberts International Airport, Monrovia, Liberia is 20 hours 9 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 • OKJ - ROB

Kilometers		14112 km
Statute Miles		8769 miles
Nautical Miles		7615 nm
Avg. Time of Flight		20 hours 9 minutes

Okayama Momotaro Airport to Roberts International Airport Flight Route Map - OKJ to ROB Flight Path

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

Click to see flight route on Google Map between Okayama, Japan and Monrovia, Liberia. .

Nonstop flight route between Okayama, Japan and Monrovia, Liberia.

Time Difference Between the Airports • OKJ - ROB

Time difference between Okayama (Japan) and Monrovia (Liberia) is 9 Hours.
Monrovia time is 9 Hours behind Okayama.

Location	Local Time
Okayama (Japan)	2026-06-18, 15:51:51 JST
Monrovia (Liberia)	2026-06-18, 06:51:51 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

Okayama Momotaro Airport (OKJ / RJOB) Okayama, Japan

Destination

Roberts International Airport (ROB / GLRB) Monrovia, Liberia