Distance From Iruma Air Base to San Francisco International Airport

The distance from Iruma Air Base () to San Francisco International Airport (SFO) is 5154 miles or 8294 kilometers or 4476 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 Sayama ( Japan ) to San Francisco ( United States )?

A one-way nonstop (direct) flight between Sayama and San Francisco takes around 11 hours 50 minutes.

Estimated flight time from Iruma Air Base, Sayama, Japan to San Francisco International Airport, San Francisco, United States is 11 hours 50 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 • - SFO

Kilometers		8294 km
Statute Miles		5154 miles
Nautical Miles		4476 nm
Avg. Time of Flight		11 hours 50 minutes

Iruma Air Base to San Francisco International Airport Flight Route Map - to SFO Flight Path

Location of Iruma Air Base & San Francisco International Airport is given below.
Click the map to view Sayama to San Francisco nonstop flight path and travel direction.

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

Nonstop flight route between Sayama, Japan and San Francisco, United States.

Time Difference Between the Airports • - SFO

Time difference between Sayama (Japan) and San Francisco (United States) is 17 Hours.
San Francisco time is 17 Hours behind Sayama.

Location	Local Time
Sayama (Japan)	2025-12-17, 07:16:24 JST
San Francisco (United States)	2025-12-16, 14:16:24 PST

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

Iruma Air Base ( / RJTJ) Sayama, Japan

Destination

San Francisco International Airport (SFO / KSFO) San Francisco, United States