Are there nonstop flights from Guangzhou (CAN) to Johor Bahru (JHB)?

Yes. AirAsia fly this route. Flight time is about 3h 36m.

What is the fastest connection from Guangzhou (CAN) to Johor Bahru (JHB)?

via Ho Chi Minh City ≈ 4h 7m, via Kuala Lumpur ≈ 4h 22m, via Penang ≈ 4h 32m (estimated flying time, excluding layovers).

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

Guangzhou Baiyun International Airport (CAN) to Senai International Airport (JHB)・2,632 km

Nonstop flights available (1 airline). Flight time about 3h 36m. Nonstop return flights also operate.

With milesJAL 15,000 miles+ (via KUL)Economy, one way, estimate. Tap a connection for miles by cabin.

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.