The distance from Cascade Reservoir Private Strip () to Naha Airport / JASDF Naha Air Base (OKA) is 6109 miles or 9831 kilometers or 5305 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.
9831 kilometers is the direct flight distance between Cascade Reservoir Private Strip (United States) and Naha Airport / JASDF Naha Air Base (Japan).
How long does it take to travel from Donnelly ( United States ) to Naha ( Japan )?
A one-way nonstop (direct) flight between Donnelly and Naha takes around 14 hours 2 minutes.
Estimated
flight time from Cascade Reservoir Private Strip, Donnelly, United States to Naha Airport / JASDF Naha Air Base, Naha, Japan is
14 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 • - OKA
| Kilometers | | 9831 km |
| Statute Miles | | 6109 miles |
| Nautical Miles | | 5305 nm |
| Avg. Time of Flight | | 14 hours 2 minutes |
Cascade Reservoir Private Strip to Naha Airport / JASDF Naha Air Base Flight Route Map - to OKA Flight Path
Location of Cascade Reservoir Private Strip & Naha Airport / JASDF Naha Air Base is given below.
Click the map to view Donnelly to Naha nonstop flight path and travel direction.
Click to see flight route on Google Map between Donnelly, United States and Naha, Japan. .
Nonstop flight route between Donnelly, United States and Naha, Japan.
Time Difference Between the Airports • - OKA
Time difference between
Donnelly (United States) and
Naha (Japan) is 15 Hours.
Naha time is 15 Hours ahead of Donnelly.
| Location | Local Time |
| Donnelly (United States) | 2026-03-18, 13:26:26 MDT |
| Naha (Japan) | 2026-03-19, 04:26:26 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.