Ibrox is unlikely, as we would have been there twice pre-split. If we were to land top-6, we should have Rangers up here.
Being as we will have also played twice at Tanadise, Rugby Park, Easter Road, New St Mirren Park and MacDirmid Park come the split, this should leave us with Hamilton, Celtic, Aberdeen, Motherwell and Hearts as our away destinations. (but this is the SPL, and it has been known for teams to play 1 H and 3 A against the same team in order to level out the home:away ratio over the season).
Hamilton, therefore, is obviously our 'worst case scenario' and to see that mid-week penultimate fixture makes HM9 a potentially difficult one.
Personally, I would love Aberdeen (For the short distance) or Tynecastle (as I've never been, and hear it's the best away day)