Distance From Onomichi Seaplane Base to Diori Hamani International Airport

The distance from Onomichi Seaplane Base () to Diori Hamani International Airport (NIM) is 7830 miles or 12600 kilometers or 6799 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 Onomichi ( Japan ) to Niamey ( Niger )?

A one-way nonstop (direct) flight between Onomichi and Niamey takes around 18 hours 0 minutes.

Estimated flight time from Onomichi Seaplane Base, Onomichi, Japan to Diori Hamani International Airport, Niamey, Niger is 18 hours 0 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		12600 km
Statute Miles		7830 miles
Nautical Miles		6799 nm
Avg. Time of Flight		18 hours 0 minutes

Onomichi Seaplane Base to Diori Hamani International Airport Flight Route Map - to NIM Flight Path

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

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

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

Time Difference Between the Airports • - NIM

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

Location	Local Time
Onomichi (Japan)	2026-08-03, 14:02:13 JST
Niamey (Niger)	2026-08-03, 06:02:13 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

Onomichi Seaplane Base ( / ) Onomichi, Japan

Destination

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