Are there nonstop flights from Haikou (HAK) to Bayannur (RLK)?

No. The fastest connection is via Guangzhou, about 3h 56m of total flying time.

What is the fastest connection from Haikou (HAK) to Bayannur (RLK)?

via Guangzhou ≈ 3h 56m, via Chengdu ≈ 3h 58m, via Zhengzhou ≈ 4h (estimated flying time, excluding layovers).

from 10,000 ANA miles (economy, one way, based on the published award charts).

Haikou Meilan International Airport (HAK) to Bayannur Tianjitai Airport (RLK)・2,348 km

No nonstop flights. The fastest connection is via Guangzhou (CAN), about 3h 56m of flying time (layover not included).

With milesANA 10,000 miles+ (via HET)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.