Distance From Onomichi Seaplane Base to Bandaranaike International Colombo Airport

The distance from Onomichi Seaplane Base () to Bandaranaike International Colombo Airport (CMB) is 3872 miles or 6230 kilometers or 3362 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 Colombo ( Sri Lanka )?

A one-way nonstop (direct) flight between Onomichi and Colombo takes around 8 hours 54 minutes.

Estimated flight time from Onomichi Seaplane Base, Onomichi, Japan to Bandaranaike International Colombo Airport, Colombo, Sri Lanka is 8 hours 54 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 • - CMB

Kilometers		6230 km
Statute Miles		3872 miles
Nautical Miles		3362 nm
Avg. Time of Flight		8 hours 54 minutes

Onomichi Seaplane Base to Bandaranaike International Colombo Airport Flight Route Map - to CMB Flight Path

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

Click to see flight route on Google Map between Onomichi, Japan and Colombo, Sri Lanka. .

Nonstop flight route between Onomichi, Japan and Colombo, Sri Lanka.

Time Difference Between the Airports • - CMB

Time difference between Onomichi (Japan) and Colombo (Sri Lanka) is 3 Hours 30 Minutes.
Colombo time is 3 Hours 30 Minutes behind Onomichi.

Location	Local Time
Onomichi (Japan)	2026-08-03, 13:08:16 JST
Colombo (Sri Lanka)	2026-08-03, 09:38:16 +0530

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

Bandaranaike International Colombo Airport (CMB / VCBI) Colombo, Sri Lanka