Distance From Dambulu Oya Tank Seaplane Base to Naha Airport / JASDF Naha Air Base, DBU - OKA Distance

The distance from Dambulu Oya Tank Seaplane Base (DBU) to Naha Airport / JASDF Naha Air Base (OKA) is 3331 miles or 5361 kilometers or 2893 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.

---

How long does it take to travel from Dambulla ( Sri Lanka ) to Naha ( Japan )?

A one-way nonstop (direct) flight between Dambulla and Naha takes around 7 hours 39 minutes.

Estimated flight time from Dambulu Oya Tank Seaplane Base, Dambulla, Sri Lanka to Naha Airport / JASDF Naha Air Base, Naha, Japan is 7 hours 39 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 • DBU - OKA

Kilometers		5361 km
Statute Miles		3331 miles
Nautical Miles		2893 nm
Avg. Time of Flight		7 hours 39 minutes

Dambulu Oya Tank Seaplane Base to Naha Airport / JASDF Naha Air Base Flight Route Map - DBU to OKA Flight Path

Location of Dambulu Oya Tank Seaplane Base & Naha Airport / JASDF Naha Air Base is given below.
Click the map to view Dambulla to Naha nonstop flight path and travel direction.

Click to see flight route on Google Map between Dambulla, Sri Lanka and Naha, Japan. .

Nonstop flight route between Dambulla, Sri Lanka and Naha, Japan.

Time Difference Between the Airports • DBU - OKA

Time difference between Dambulla (Sri Lanka) and Naha (Japan) is 3 Hours 30 Minutes.
Naha time is 3 Hours 30 Minutes ahead of Dambulla.

Location	Local Time
Dambulla (Sri Lanka)	2026-09-21, 00:38:23 +0530
Naha (Japan)	2026-09-21, 04:08:23 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

Dambulu Oya Tank Seaplane Base (DBU / ) Dambulla, Sri Lanka

Destination

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