But note that your estimate was wrong. To a good approximation, the distance that you see varies as the square root of your height. So on top of a mountain that is 1000 times as high as you are, you can see about 31.6 times as far.
Cheers, Ben
I have come to believe that idealism without discipline is a quick road to disaster, while discipline without idealism is pointless. -- Aaron Ward (my brother)