Are there nonstop flights from Nankoku (KCZ) to Lanzhou (LHW)?

No. The fastest connection is via Nagoya, about 4h 54m of total flying time.

What is the fastest connection from Nankoku (KCZ) to Lanzhou (LHW)?

via Nagoya ≈ 4h 54m (estimated flying time, excluding layovers).

Kochi Ryoma Airport (KCZ) to Lanzhou Zhongchuan International Airport (LHW)・2,745 km

No nonstop flights. The fastest connection is via Nagoya (NGO), about 4h 54m of flying time (layover not included).

None.

1 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.