Are there nonstop flights from Osaka (KIX) to Miami (MIA)?

No. The fastest connection is via Vancouver, about 15h 38m of total flying time.

What is the fastest connection from Osaka (KIX) to Miami (MIA)?

via Vancouver ≈ 15h 38m, via Toronto ≈ 15h 51m, via San Francisco ≈ 16h 7m (estimated flying time, excluding layovers).

from 27,500 ANA miles, from 47,000 JAL miles (economy, one way, based on the published award charts).

Kansai International Airport (KIX) to Miami International Airport (MIA)・12,342 km

No nonstop flights. The fastest connection is via Vancouver (YVR), about 15h 38m of flying time (layover not included).

With milesANA 27,500 miles+ (via YVR)JAL 47,000 miles+ (via HEL)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

11 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.