I think Advantage's award Asia zone 2 to south Pacific, for only 50,000 miles seems to be the furthest you can go, on a per mile basis. You can go on this award from SRI LANKA to TAHITI (connecting in either Japan or Australia). Bad part is Advantage won't allow even ONE stopover since it's different "zones/regions".

Just curious if there are other awards you can travel great distances for low cost per mile awards.