Distance From Iwakuni Kintaikyo Airport / Marine Corps Air Station Iwakuni to Naha Airport / JASDF Naha Air Base, IWK - OKA Distance

The distance from Iwakuni Kintaikyo Airport / Marine Corps Air Station Iwakuni (IWK) to Naha Airport / JASDF Naha Air Base (OKA) is 615 miles or 989 kilometers or 534 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 Naha ( Japan )?

A one-way nonstop (direct) flight between Iwakuni and Naha takes around 1 hours 24 minutes.

Estimated flight time from Iwakuni Kintaikyo Airport / Marine Corps Air Station Iwakuni, Iwakuni, Japan to Naha Airport / JASDF Naha Air Base, Naha, Japan is 1 hours 24 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 - OKA

Kilometers		989 km
Statute Miles		615 miles
Nautical Miles		534 nm
Avg. Time of Flight		1 hours 24 minutes

Iwakuni Kintaikyo Airport / Marine Corps Air Station Iwakuni to Naha Airport / JASDF Naha Air Base Flight Route Map - IWK to OKA Flight Path

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

Click to see flight route on Google Map between Iwakuni, Japan and Naha, Japan. .

Nonstop flight route between Iwakuni, Japan and Naha, Japan.

Time Difference Between the Airports • IWK - OKA

Time difference between Iwakuni (Japan) and Naha (Japan) is 0 Hours.

Location	Local Time
Iwakuni (Japan)	2026-05-05, 08:15:44 JST
Naha (Japan)	2026-05-05, 08:15:44 JST

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

Naha Airport / JASDF Naha Air Base (OKA / ROAH) Naha, Japan