The distance from Cascais Marina Heliport () to Naha Airport / JASDF Naha Air Base (OKA) is 7165 miles or 11530 kilometers or 6222 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.
11530 kilometers is the direct flight distance between Cascais Marina Heliport (Portugal) and Naha Airport / JASDF Naha Air Base (Japan).
How long does it take to travel from Cascais ( Portugal ) to Naha ( Japan )?
A one-way nonstop (direct) flight between Cascais and Naha takes around 16 hours 28 minutes.
Estimated
flight time from Cascais Marina Heliport, Cascais, Portugal to Naha Airport / JASDF Naha Air Base, Naha, Japan is
16 hours 28 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 | | 11530 km |
| Statute Miles | | 7165 miles |
| Nautical Miles | | 6222 nm |
| Avg. Time of Flight | | 16 hours 28 minutes |
Cascais Marina Heliport to Naha Airport / JASDF Naha Air Base Flight Route Map - to OKA Flight Path
Location of Cascais Marina Heliport & Naha Airport / JASDF Naha Air Base is given below.
Click the map to view Cascais to Naha nonstop flight path and travel direction.
Click to see flight route on Google Map between Cascais, Portugal and Naha, Japan. .
Nonstop flight route between Cascais, Portugal and Naha, Japan.
Time Difference Between the Airports • - OKA
Time difference between
Cascais (Portugal) and
Naha (Japan) is 9 Hours.
Naha time is 9 Hours ahead of Cascais.
| Location | Local Time |
| Cascais (Portugal) | 2026-03-20, 23:45:35 WET |
| Naha (Japan) | 2026-03-21, 08:45:35 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.