Are there nonstop flights from Heraklion (HER) to Guangzhou (CAN)?

No. The fastest connection is via Baku, about 10h 52m of total flying time.

What is the fastest connection from Heraklion (HER) to Guangzhou (CAN)?

via Baku ≈ 10h 52m, via Almaty ≈ 10h 57m, via Istanbul ≈ 11h 8m (estimated flying time, excluding layovers).

from 30,000 ANA miles (economy, one way, based on the published award charts).

Heraklion International Nikos Kazantzakis Airport (HER) to Guangzhou Baiyun International Airport (CAN)・8,370 km

No nonstop flights. The fastest connection is via Baku (GYD), about 10h 52m of flying time (layover not included).

With milesANA 30,000 miles+ (via IST)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.