Are there nonstop flights from Nankoku (KCZ) to Dubai (DXB)?

No. The fastest connection is via Osaka, about 10h 7m of total flying time.

What is the fastest connection from Nankoku (KCZ) to Dubai (DXB)?

via Osaka ≈ 10h 7m, via Taipei ≈ 10h 31m, via Tokyo ≈ 11h 3m (estimated flying time, excluding layovers).

Kochi Ryoma Airport (KCZ) to Dubai International Airport (DXB)・7,465 km

No nonstop flights. The fastest connection is via Osaka (KIX), about 10h 7m of flying time (layover not included).

None.

4 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.