Are there nonstop flights from Hanoi (HAN) to Okinawa (Naha) (OKA)?

No. The fastest connection is via Taipei, about 3h 41m of total flying time.

What is the fastest connection from Hanoi (HAN) to Okinawa (Naha) (OKA)?

via Taipei ≈ 3h 41m, via Taichung ≈ 3h 42m, via Fuzhou ≈ 3h 42m (estimated flying time, excluding layovers).

from 15,000 JAL miles, from 19,000 ANA miles (economy, one way, based on the published award charts).

Noi Bai International Airport (HAN) to Naha International Airport (OKA)・2,287 km

No nonstop flights. The fastest connection is via Taipei (TPE), about 3h 41m of flying time (layover not included).

With milesJAL 15,000 miles+ (via PVG)ANA 19,000 miles+ (via TPE)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

17 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.