Distance From Sliven Airfield to Naha Airport / JASDF Naha Air Base

The distance from Sliven Airfield () to Naha Airport / JASDF Naha Air Base (OKA) is 5543 miles or 8920 kilometers or 4813 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 Sliven ( Bulgaria ) to Naha ( Japan )?

A one-way nonstop (direct) flight between Sliven and Naha takes around 12 hours 44 minutes.

Estimated flight time from Sliven Airfield, Sliven, Bulgaria to Naha Airport / JASDF Naha Air Base, Naha, Japan is 12 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 • - OKA

Kilometers		8920 km
Statute Miles		5543 miles
Nautical Miles		4813 nm
Avg. Time of Flight		12 hours 44 minutes

Sliven Airfield to Naha Airport / JASDF Naha Air Base Flight Route Map - to OKA Flight Path

Location of Sliven Airfield & Naha Airport / JASDF Naha Air Base is given below.
Click the map to view Sliven to Naha nonstop flight path and travel direction.

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

Nonstop flight route between Sliven, Bulgaria and Naha, Japan.

Time Difference Between the Airports • - OKA

Time difference between Sliven (Bulgaria) and Naha (Japan) is 6 Hours.
Naha time is 6 Hours ahead of Sliven.

Location	Local Time
Sliven (Bulgaria)	2025-04-04, 20:25:21 EEST
Naha (Japan)	2025-04-05, 02:25:21 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

Sliven Airfield ( / LBSL) Sliven, Bulgaria

Destination

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