The flight from Honolulu, Oahu (HNL) to Sepang (KUL) takes about 12h 26m nonstop on a widebody airliner, covering 6,814 miles (10,967 km).
Sepang is 18 hours ahead of Honolulu, Oahu. You cross 18 time zones heading east. Eastbound trips like this one tend to be harder to adjust to, so plan for a day or two of jet lag.
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