Hi Dears.
I found a page that have elevation maps free for QGIS and Mapinfo!
http://hydro.iis.u-tokyo.ac.jp/~yamadai/MERIT_DEM/
It have maps for all the World and you only need to read the indications for download the maps.
I put the maps in QGIS to check Neighbors with height and have a great results:
Use this tool in QGIS: (Profile Tool)
This Compared with Google earth, the line is similar:
