Are there nonstop flights from Osaka (KIX) to Abu Dhabi (AUH)?

Yes. Etihad Airways fly this route. Flight time is about 9h 32m.

What is the fastest connection from Osaka (KIX) to Abu Dhabi (AUH)?

via Seoul ≈ 10h 4m, via Beijing ≈ 10h 4m, via Shanghai ≈ 10h 14m (estimated flying time, excluding layovers).

from 37,000 JAL miles, from 50,000 ANA miles (economy, one way, based on the published award charts).

Kansai International Airport (KIX) to Zayed International Airport (AUH)・7,684 km

Nonstop flights available (1 airline). Flight time about 9h 32m. Nonstop return flights also operate.

With milesJAL 37,000 miles+ (via PVG)ANA 50,000 miles+ (via PEK)Economy, one way, estimate. Tap a connection for miles by cabin.

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.