If you are 21.5 South (Degrees), 150 East (Degrees) how far (in kms) are you from the South Pole?

Answer 1

15,966 km

http://www.nhc.noaa.gov/gccalc.shtml

Answer 2

I found it, it is

90'-21.5'x111.2
=68.5x111.2
=7,617km

Answer 3

You're right. I entered the wrong coordinates for the South Pole. Sorry.