Are there nonstop flights from Douala (DLA) to Guangzhou (CAN)?

No. The fastest connection is via Jeddah, about 14h 15m of total flying time.

What is the fastest connection from Douala (DLA) to Guangzhou (CAN)?

via Jeddah ≈ 14h 15m, via Addis Ababa ≈ 14h 17m, via Cairo ≈ 14h 44m (estimated flying time, excluding layovers).

from 48,000 ANA miles (economy, one way, based on the published award charts).

Douala International Airport (DLA) to Guangzhou Baiyun International Airport (CAN)・11,207 km

No nonstop flights. The fastest connection is via Jeddah (JED), about 14h 15m of flying time (layover not included).

With milesANA 48,000 miles+ (via ADD)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

7 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.