Are there nonstop flights from Matsuyama (MYJ) to Guiyang (KWE)?

No. The fastest connection is via Seoul, about 4h 25m of total flying time.

What is the fastest connection from Matsuyama (MYJ) to Guiyang (KWE)?

via Seoul ≈ 4h 25m, via Taipei ≈ 4h 27m (estimated flying time, excluding layovers).

Matsuyama Airport (MYJ) to Guiyang Longdongbao International Airport (KWE)・2,609 km

No nonstop flights. The fastest connection is via Seoul (ICN), about 4h 25m of flying time (layover not included).

None.

2 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.