Yes valid for a xRWSTARx. Plenty of other flights you could add to this simple routing.

According to great circle mapper this is 29,477 miles thus requiring xRWSTAR2. Thus you have 4,500 odd miles free on this level. The only easy way to get under 29,000 miles for a cheaper fare is to have the return from US direct to Australia or via AKL, or starting with PER-BKK.