Are there nonstop flights from Nagoya (NGO) to Shenzhen (SZX)?

No. The fastest connection is via Taipei, about 4h 8m of total flying time.

What is the fastest connection from Nagoya (NGO) to Shenzhen (SZX)?

via Taipei ≈ 4h 8m, via Shanghai ≈ 4h 10m, via Kaohsiung ≈ 4h 15m (estimated flying time, excluding layovers).

from 8,500 ANA miles, from 15,000 JAL miles (economy, one way, based on the published award charts).

Chubu Centrair International Airport (NGO) to Shenzhen Bao'an International Airport (SZX)・2,612 km

No nonstop flights. The fastest connection is via Taipei (TPE), about 4h 8m of flying time (layover not included).

With milesANA 8,500 miles+ (via HND)JAL 15,000 miles+ (via PVG)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

18 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.