Are there nonstop flights from Hailey (SUN) to Rome (FCO)?

No. The fastest connection is via Denver, about 12h 33m of total flying time.

What is the fastest connection from Hailey (SUN) to Rome (FCO)?

via Denver ≈ 12h 33m, via Seattle ≈ 12h 38m, via Chicago ≈ 12h 38m (estimated flying time, excluding layovers).

from 45,000 JAL miles (economy, one way, based on the published award charts).

Friedman Memorial Airport (SUN) to Rome–Fiumicino Leonardo da Vinci International Airport (FCO)・9,132 km

No nonstop flights. The fastest connection is via Denver (DEN), about 12h 33m of flying time (layover not included).

With milesJAL 45,000 miles+ (via SEA)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

5 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.