Much would depend on your point of departure.
There isn't any non-stop service between California and Italy, but it would probably take anywhere from 11-13 hours if it did exist (depending on winds aloft, routing, etc.).
It depends on where in America you start from and where in Italy you go to.
About 2-3 hours
6350 miles only
about 15 hours
10 hours
3 hours
Los Angeles, CA (LAX) to Rome (ROM)Shortest Flight Duration 14 hours 43 mins
A flight from Los Angeles to Amesterdam is 11 hours and 8 minutes
A flight from Wilmington to Los Angeles takes 4 hours.
A flight from Los Angeles to Bali takes 17 hours and 15 minutes
It would take about 13 hours to fly from Los Angeles to Rome Italy.
The flight from Los Angeles to Melbourne is approximately 14.5 - 15 hours depending on the weather.
The flight would be 18 hours long.
The flight would be 14 hours long.
Nonstop flight from Los Angeles to Italy takes about 12 hours and passes over Canada and the Atlantic Ocean.
A direct flight from Anchorage, Alaska to Los Angeles, California is approximately 4 hours, 41 minutes.
2 hours