Are there nonstop flights from Gaya (GAY) to Guangzhou (CAN)?

No. The fastest connection is via Kolkata, about 4h 29m of total flying time.

What is the fastest connection from Gaya (GAY) to Guangzhou (CAN)?

via Kolkata ≈ 4h 29m, via Yangon ≈ 4h 58m, via Bangkok ≈ 5h 24m (estimated flying time, excluding layovers).

from 18,000 ANA miles (economy, one way, based on the published award charts).

Gaya Airport (GAY) to Guangzhou Baiyun International Airport (CAN)・2,877 km

No nonstop flights. The fastest connection is via Kolkata (CCU), about 4h 29m of flying time (layover not included).

With milesANA 18,000 miles+ (via BKK)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

6 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.