Are there nonstop flights from Miyazaki (KMI) to Okinawa (Naha) (OKA)?

Yes. Solaseed Air fly this route. Flight time is about 1h 22m.

What is the fastest connection from Miyazaki (KMI) to Okinawa (Naha) (OKA)?

via Fukuoka ≈ 2h 16m, via Osaka ≈ 2h 55m, via Osaka ≈ 3h 1m (estimated flying time, excluding layovers).

from 13,000 JAL miles, from 13,000 ANA miles (economy, one way, based on the published award charts).

Miyazaki Airport (KMI) to Naha International Airport (OKA)・732 km

Nonstop flights available (1 airline). Flight time about 1h 22m. Nonstop return flights also operate.

With milesJAL 13,000 miles+ (via FUK)ANA 13,000 miles+ (via FUK)Economy, one way, estimate. Tap a connection for miles by cabin.

5 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.