Are there nonstop flights from Sanya (SYX) to Nagoya (NGO)?

No. The fastest connection is via Hong Kong, about 4h 51m of total flying time.

What is the fastest connection from Sanya (SYX) to Nagoya (NGO)?

via Hong Kong ≈ 4h 51m, via Shanghai ≈ 4h 57m, via Busan ≈ 5h 1m (estimated flying time, excluding layovers).

from 11,500 ANA miles, from 23,000 JAL miles (economy, one way, based on the published award charts).

Sanya Phoenix International Airport (SYX) to Chubu Centrair International Airport (NGO)・3,269 km

No nonstop flights. The fastest connection is via Hong Kong (HKG), about 4h 51m of flying time (layover not included).

With milesANA 11,500 miles+ (via YCU)JAL 23,000 miles+ (via PVG)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

14 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.