Distance From Iwakuni Kintaikyo Airport / Marine Corps Air Station Iwakuni to Incheon International Airport, IWK - ICN Distance

The distance from Iwakuni Kintaikyo Airport / Marine Corps Air Station Iwakuni (IWK) to Incheon International Airport (ICN) is 398 miles or 640 kilometers or 346 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 Iwakuni ( Japan ) to Seoul ( South Korea )?

A one-way nonstop (direct) flight between Iwakuni and Seoul takes around 0 hours 54 minutes.

Estimated flight time from Iwakuni Kintaikyo Airport / Marine Corps Air Station Iwakuni, Iwakuni, Japan to Incheon International Airport, Seoul, South Korea is 0 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 • IWK - ICN

Kilometers		640 km
Statute Miles		398 miles
Nautical Miles		346 nm
Avg. Time of Flight		0 hours 54 minutes

Iwakuni Kintaikyo Airport / Marine Corps Air Station Iwakuni to Incheon International Airport Flight Route Map - IWK to ICN Flight Path

Location of Iwakuni Kintaikyo Airport / Marine Corps Air Station Iwakuni & Incheon International Airport is given below.
Click the map to view Iwakuni to Seoul nonstop flight path and travel direction.

Click to see flight route on Google Map between Iwakuni, Japan and Seoul, South Korea. .

Nonstop flight route between Iwakuni, Japan and Seoul, South Korea.

Time Difference Between the Airports • IWK - ICN

Time difference between Iwakuni (Japan) and Seoul (South Korea) is 0 Hours.

Location	Local Time
Iwakuni (Japan)	2026-03-21, 12:11:23 JST
Seoul (South Korea)	2026-03-21, 12:11:23 KST

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

Iwakuni Kintaikyo Airport / Marine Corps Air Station Iwakuni (IWK / RJOI) Iwakuni, Japan

Destination

Incheon International Airport (ICN / RKSI) Seoul, South Korea