Comment by bigiain

Well, more "dot com domain only" than "US-only".

The dns magic underneath encrypted.google.com, www.google.com and www.google.com.au shows that doesn't matter - all three are "in Australia" (at the very least, within 21ms) from where I am (Sydney):

  [Bigs-MacBook-Pro:~] bigiain% traceroute www.google.com.au
  traceroute: Warning: www.google.com.au has multiple addresses; using 74.125.237.87
  traceroute to www-cctld.l.google.com (74.125.237.87), 64 hops max, 52 byte packets
  1  192.168.1.1 (192.168.1.1)  3.558 ms  1.766 ms  1.582 ms
  …
  8  syd01s06-in-f23.1e100.net (74.125.237.87)  20.318 ms  20.009 ms  20.457 ms
  
  [Bigs-MacBook-Pro:~] bigiain% traceroute www.google.com
  traceroute: Warning: www.google.com has multiple addresses; using 74.125.237.81
  traceroute to www.l.google.com (74.125.237.81), 64 hops max, 52 byte packets
  1  192.168.1.1 (192.168.1.1)  1.962 ms  3.753 ms  1.618 ms
  …
  9  syd01s06-in-f17.1e100.net (74.125.237.81)  19.927 ms  20.220 ms  20.404 ms
  
  [Bigs-MacBook-Pro:~] bigiain% traceroute encrypted.google.com
  traceroute: Warning: encrypted.google.com has multiple addresses; using 74.125.237.100
  traceroute to www3.l.google.com (74.125.237.100), 64 hops max, 52 byte packets
  1  192.168.1.1 (192.168.1.1)  17.068 ms  8.808 ms  1.609 ms
  …
  8  syd01s12-in-f4.1e100.net (74.125.237.100)  21.235 ms  20.064 ms  19.237 ms