G4u2: Wayne Pyle got really interested in identifying the farthest peak visible from the top of Mt Whitney. Unfortunately, I can't find the posts. I am pretty sure, due to the earth's curvature, that you can't see anything that far away from the ground.

But here's one where he discusses some of the peaks:

http://www.whitneyzone.com/wz/ubbthreads.php/topics/18732/Re:_Mt_Whitney_Peak_IDs#Post18732

And another: http://www.whitneyzone.com/wz/ubbthreads.php/topics/19822/Re:_My_epic_photo_of_the_97_sw#Post19822

He gives you the formulas required here:
http://www.whitneyzone.com/wz/ubbthreads.php/ubb/showflat/Number/8748#Post8748