Are there nonstop flights from Rome (FCO) to Hanoi (HAN)?

No. The fastest connection is via Istanbul, about 11h 21m of total flying time.

What is the fastest connection from Rome (FCO) to Hanoi (HAN)?

via Istanbul ≈ 11h 21m, via New Delhi ≈ 11h 31m, via Chengdu ≈ 11h 36m (estimated flying time, excluding layovers).

from 29,500 ANA miles, from 37,000 JAL miles (economy, one way, based on the published award charts).

Rome–Fiumicino Leonardo da Vinci International Airport (FCO) to Noi Bai International Airport (HAN)・8,736 km

No nonstop flights. The fastest connection is via Istanbul (IST), about 11h 21m of flying time (layover not included).

With milesANA 29,500 miles+ (via IST)JAL 37,000 miles+ (via DXB)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

25 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.