The Pacific island of Guam is just a four-hour flight away from Seoul, and the island is beckoning Korean visitors over the upcoming Chuseok holiday. The traditional holiday has been extended to a six-day break this year Sept. 28 to Oct. 3 with Oct. 2 being designated as a temporary holiday, connecting the Chuseok holiday to National Foundation Day on Oct. 3. Guam, although a small island of 549 square kilomete.