Distance From Onomichi Seaplane Base to San Diego International Airport

The distance from Onomichi Seaplane Base () to San Diego International Airport (SAN) is 5928 miles or 9540 kilometers or 5148 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 San Diego ( United States )?

A one-way nonstop (direct) flight between Onomichi and San Diego takes around 13 hours 37 minutes.

Estimated flight time from Onomichi Seaplane Base, Onomichi, Japan to San Diego International Airport, San Diego, United States is 13 hours 37 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 • - SAN

Kilometers		9540 km
Statute Miles		5928 miles
Nautical Miles		5148 nm
Avg. Time of Flight		13 hours 37 minutes

Onomichi Seaplane Base to San Diego International Airport Flight Route Map - to SAN Flight Path

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

Click to see flight route on Google Map between Onomichi, Japan and San Diego, United States. .

Nonstop flight route between Onomichi, Japan and San Diego, United States.

Time Difference Between the Airports • - SAN

Time difference between Onomichi (Japan) and San Diego (United States) is 16 Hours.
San Diego time is 16 Hours behind Onomichi.

Location	Local Time
Onomichi (Japan)	2026-09-17, 19:23:55 JST
San Diego (United States)	2026-09-17, 03:23:55 PDT

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

San Diego International Airport (SAN / KSAN) San Diego, United States