With thw new award structure, HKG is listed as Asia 2 for 70k. I plan to go to HKG, but trying to use Asia 1 award 50K from SFO to CAN (Guongzhou) which is 1 hr 30 min train ride from HKG. JAL has serviec from NRT to CAN. Any comments on train ride from CAN ariport to HKG?