Distance From Iruma Air Base to Singapore Changi Airport

The distance from Iruma Air Base () to Singapore Changi Airport (SIN) is 3289 miles or 5294 kilometers or 2857 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 Singapore ( Singapore )?

A one-way nonstop (direct) flight between Sayama and Singapore takes around 7 hours 33 minutes.

Estimated flight time from Iruma Air Base, Sayama, Japan to Singapore Changi Airport, Singapore, Singapore is 7 hours 33 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 • - SIN

Kilometers		5294 km
Statute Miles		3289 miles
Nautical Miles		2857 nm
Avg. Time of Flight		7 hours 33 minutes

Iruma Air Base to Singapore Changi Airport Flight Route Map - to SIN Flight Path

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

Click to see flight route on Google Map between Sayama, Japan and Singapore, Singapore. .

Nonstop flight route between Sayama, Japan and Singapore, Singapore.

Time Difference Between the Airports • - SIN

Time difference between Sayama (Japan) and Singapore (Singapore) is 1 Hours.
Singapore time is 1 Hours behind Sayama.

Location	Local Time
Sayama (Japan)	2026-06-16, 16:14:15 JST
Singapore (Singapore)	2026-06-16, 15:14:15 +08

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

Singapore Changi Airport (SIN / WSSS) Singapore, Singapore