Distance From Iwakuni Kintaikyo Airport / Marine Corps Air Station Iwakuni to John Glenn Columbus International Airport, IWK - CMH Distance

The distance from Iwakuni Kintaikyo Airport / Marine Corps Air Station Iwakuni (IWK) to John Glenn Columbus International Airport (CMH) is 6845 miles or 11016 kilometers or 5945 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 Columbus ( United States )?

A one-way nonstop (direct) flight between Iwakuni and Columbus takes around 15 hours 44 minutes.

Estimated flight time from Iwakuni Kintaikyo Airport / Marine Corps Air Station Iwakuni, Iwakuni, Japan to John Glenn Columbus International Airport, Columbus, United States is 15 hours 44 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 - CMH

Kilometers		11016 km
Statute Miles		6845 miles
Nautical Miles		5945 nm
Avg. Time of Flight		15 hours 44 minutes

Iwakuni Kintaikyo Airport / Marine Corps Air Station Iwakuni to John Glenn Columbus International Airport Flight Route Map - IWK to CMH Flight Path

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

Click to see flight route on Google Map between Iwakuni, Japan and Columbus, United States. .

Nonstop flight route between Iwakuni, Japan and Columbus, United States.

Time Difference Between the Airports • IWK - CMH

Time difference between Iwakuni (Japan) and Columbus (United States) is 13 Hours.
Columbus time is 13 Hours behind Iwakuni.

Location	Local Time
Iwakuni (Japan)	2026-05-05, 09:42:25 JST
Columbus (United States)	2026-05-04, 20:42:25 EDT

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

John Glenn Columbus International Airport (CMH / KCMH) Columbus, United States