Distance From Kohnan Airport to Diori Hamani International Airport

The distance from Kohnan Airport () to Diori Hamani International Airport (NIM) is 7851 miles or 12634 kilometers or 6818 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 Okayama ( Japan ) to Niamey ( Niger )?

A one-way nonstop (direct) flight between Okayama and Niamey takes around 18 hours 2 minutes.

Estimated flight time from Kohnan Airport, Okayama, Japan to Diori Hamani International Airport, Niamey, Niger is 18 hours 2 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 • - NIM

Kilometers		12634 km
Statute Miles		7851 miles
Nautical Miles		6818 nm
Avg. Time of Flight		18 hours 2 minutes

Kohnan Airport to Diori Hamani International Airport Flight Route Map - to NIM Flight Path

Location of Kohnan Airport & Diori Hamani International Airport is given below.
Click the map to view Okayama to Niamey nonstop flight path and travel direction.

Click to see flight route on Google Map between Okayama, Japan and Niamey, Niger. .

Nonstop flight route between Okayama, Japan and Niamey, Niger.

Time Difference Between the Airports • - NIM

Time difference between Okayama (Japan) and Niamey (Niger) is 8 Hours.
Niamey time is 8 Hours behind Okayama.

Location	Local Time
Okayama (Japan)	2026-09-17, 13:46:30 JST
Niamey (Niger)	2026-09-17, 05:46:30 WAT

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

Kohnan Airport ( / RJBK) Okayama, Japan

Destination

Diori Hamani International Airport (NIM / DRRN) Niamey, Niger