Distance From Diego Garcia Naval Support Facility to Naha Airport / JASDF Naha Air Base, NKW - OKA Distance

The distance from Diego Garcia Naval Support Facility (NKW) to Naha Airport / JASDF Naha Air Base (OKA) is 4365 miles or 7025 kilometers or 3791 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 Diego Garcia ( British Indian Ocean Territory ) to Naha ( Japan )?

A one-way nonstop (direct) flight between Diego Garcia and Naha takes around 10 hours 2 minutes.

Estimated flight time from Diego Garcia Naval Support Facility, Diego Garcia, British Indian Ocean Territory to Naha Airport / JASDF Naha Air Base, Naha, Japan is 10 hours 2 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 • NKW - OKA

Kilometers		7025 km
Statute Miles		4365 miles
Nautical Miles		3791 nm
Avg. Time of Flight		10 hours 2 minutes

Diego Garcia Naval Support Facility to Naha Airport / JASDF Naha Air Base Flight Route Map - NKW to OKA Flight Path

Location of Diego Garcia Naval Support Facility & Naha Airport / JASDF Naha Air Base is given below.
Click the map to view Diego Garcia to Naha nonstop flight path and travel direction.

Click to see flight route on Google Map between Diego Garcia, British Indian Ocean Territory and Naha, Japan. .

Nonstop flight route between Diego Garcia, British Indian Ocean Territory and Naha, Japan.

Time Difference Between the Airports • NKW - OKA

Time difference between Diego Garcia (British Indian Ocean Territory) and Naha (Japan) is 3 Hours.
Naha time is 3 Hours ahead of Diego Garcia.

Location	Local Time
Diego Garcia (British Indian Ocean Territory)	2026-06-23, 05:56:57 +06
Naha (Japan)	2026-06-23, 08:56:57 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

Diego Garcia Naval Support Facility (NKW / FJDG) Diego Garcia, British Indian Ocean Territory

Destination

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