Are there nonstop flights from Osaka (KIX) to Manama (BAH)?

No. The fastest connection is via Doha, about 10h 28m of total flying time.

What is the fastest connection from Osaka (KIX) to Manama (BAH)?

via Doha ≈ 10h 28m, via Dubai ≈ 10h 29m, via Abu Dhabi ≈ 10h 34m (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 Bahrain International Airport (BAH)・7,934 km

No nonstop flights. The fastest connection is via Doha (DOH), about 10h 28m of flying time (layover not included).

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

None.

12 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.