IMHO, *A is unmatched in Asia. Between ANA, Air China, Singapore, Thai, Asiana and Turkish, if you can't get there, it's probably only accessible by boat.
x2 on underestimating the distance. I had to go to Korea for work, and I asked if I should "swing by" another vendor in Malaysia ... my coworkers showed me the map ... I felt pretty American at that point ... LOL