Are there nonstop flights from Nairobi (NBO) to Guangzhou (CAN)?

Yes. China Southern Airlines, Kenya Airways fly this route. Flight time is about 10h 43m.

What is the fastest connection from Nairobi (NBO) to Guangzhou (CAN)?

via Bangkok ≈ 11h 30m, via Addis Ababa ≈ 11h 49m, via Zanzibar ≈ 11h 54m (estimated flying time, excluding layovers).

from 37,000 JAL miles, from 48,000 ANA miles (economy, one way, based on the published award charts).

Jomo Kenyatta International Airport (NBO) to Guangzhou Baiyun International Airport (CAN)・8,679 km

Nonstop flights available (2 airlines). Flight time about 10h 43m. Nonstop return flights also operate.

With milesJAL 37,000 miles+ (via DXB)ANA 48,000 miles+ (via ADD)Economy, one way, estimate. Tap a connection for miles by cabin.

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.