Distance From Onomichi Seaplane Base to Don Mueang International Airport

The distance from Onomichi Seaplane Base () to Don Mueang International Airport (DMK) is 2481 miles or 3992 kilometers or 2154 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 Bangkok ( Thailand )?

A one-way nonstop (direct) flight between Onomichi and Bangkok takes around 5 hours 42 minutes.

Estimated flight time from Onomichi Seaplane Base, Onomichi, Japan to Don Mueang International Airport, Bangkok, Thailand is 5 hours 42 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 • - DMK

Kilometers		3992 km
Statute Miles		2481 miles
Nautical Miles		2154 nm
Avg. Time of Flight		5 hours 42 minutes

Onomichi Seaplane Base to Don Mueang International Airport Flight Route Map - to DMK Flight Path

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

Click to see flight route on Google Map between Onomichi, Japan and Bangkok, Thailand. .

Nonstop flight route between Onomichi, Japan and Bangkok, Thailand.

Time Difference Between the Airports • - DMK

Time difference between Onomichi (Japan) and Bangkok (Thailand) is 2 Hours.
Bangkok time is 2 Hours behind Onomichi.

Location	Local Time
Onomichi (Japan)	2026-08-03, 14:57:05 JST
Bangkok (Thailand)	2026-08-03, 12:57:05 +07

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

Don Mueang International Airport (DMK / VTBD) Bangkok, Thailand