1. The segments you list are OK. The backtracking through origin limitation is for the origin of the trip, MEL in your case. Note that you can get more miles doing a SCL-IPC-SCL run. Also, CCS has, IMHO, a usurious airport departure tax of about US$50, payable in cash before they let you out of the country.


?? ipc is 2000-somthing miles, ccs is over 3000. Both stink for turnarounds, though, as they don't turnaround until a dest further along. In fact, I believe that turnarounds in SA stink in general either because of taxes or suspicious customs agents. They seem to have a few issues with drug smuggling down there, and for whatever reason take it pretty seriously.

Oh and yes, in CCS the fee is terrible and the airport is terrible. Some would argue that the city is terrible, though I have enjoyed my trips.