from “Airport (Ground Transportation Centre) Bus Terminus” to “Regal Oriental Hotel”
Take the Airport Express at Airport station > change to Tung Chung Line at Tsing Yi Station > change to West Rail Line at Nam Cheong Station > change to East Rail Line at Hung Hom Station > get off at Kowloon Tong Station > take 25M Bus and take off at Regal Oriental Hotel station
Hotel shuttle bus
You can take Route 4 shuttle bus from Regal Airport Hotel station to Regal Oriental Hotel station. Details and book: http://shuttle.regalhotel.com/?rlang=en-US Or you can buy tickets at the airport.