I was checking out the M&M mileage calculator and found that biz flights from PER to RAR would only cost 27500 miles. Now if you check availability there are 2 options for this: PER-AKL-RAR with NZ or PER-BKK-AKL-RAR of which the first 2 flight are with Thai and the last with NZ On the first option there is no more availability in biz class, only economy which would cost 15000 miles according to the mileage calculator and award chart as it's flights within the same region. As the second option has availability in biz but connects in BKK so I think it will increase the number of miles as it is considered to be backtracking? As this would fly from Australia to New Zealand (both in the same region according to the award chart). But after checking the small print of the Thai Airways award rules, it reads the following: Backtracking is allowed when required by the Star Alliance network for connecting flights only. So I'm curious about the number of miles that M&M would charge... Any thoughts? I will give M&M a call tomorrow and see what they say.