The flight from Dublin (DUB) to Las Vegas (LAS) takes about 9h 47m nonstop on a widebody airliner, covering 4,941 miles (7,952 km).
Las Vegas is 8 hours behind Dublin. You cross 8 time zones heading west. Westbound trips like this one are usually a little easier to adjust to, so plan for a day or two of jet lag.
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