You can take a closer look at the aspaths (lengths) to various global locations by looking at the following:
http://bgptables.merit.edu/prefix.php?z=&z=&prefixcw=208.110.48.0/20&view=all&count=1000
http://bgptables.merit.edu/prefix.php?z=&z=&prefixcw=63.246.112.0/20&view=all&count=1000
http://bgptables.merit.edu/prefix.php?z=&z=&prefixcw=68.66.112.0/20&view=all&count=1000
Hope that helps.
-manish