Are there nonstop flights from Milan (MXP) to Auckland (AKL)?

No. The fastest connection is via Shanghai, about 22h 46m of total flying time.

What is the fastest connection from Milan (MXP) to Auckland (AKL)?

via Shanghai ≈ 22h 46m, via Taipei ≈ 22h 47m, via Beijing ≈ 22h 47m (estimated flying time, excluding layovers).

from 40,000 ANA miles, from 50,000 JAL miles (economy, one way, based on the published award charts).

Milan Malpensa International Airport (MXP) to Auckland International Airport (AKL)・18,511 km

No nonstop flights. The fastest connection is via Shanghai (PVG), about 22h 46m of flying time (layover not included).

With milesANA 40,000 miles+ (via TPE)JAL 50,000 miles+ (via PVG)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

12 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.