Are there nonstop flights from Dongying (DOY) to Lanzhou (LHW)?

No. The fastest connection is via Tianjin, about 2h 43m of total flying time.

What is the fastest connection from Dongying (DOY) to Lanzhou (LHW)?

via Tianjin ≈ 2h 43m, via Beijing ≈ 2h 43m, via Zhengzhou ≈ 2h 46m (estimated flying time, excluding layovers).

from 10,000 ANA miles, from 15,000 JAL miles (economy, one way, based on the published award charts).

Dongying Shengli Airport (DOY) to Lanzhou Zhongchuan International Airport (LHW)・1,350 km

No nonstop flights. The fastest connection is via Tianjin (TSN), about 2h 43m of flying time (layover not included).

With milesANA 10,000 miles+ (via TFU)JAL 15,000 miles+ (via WUH)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

15 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.