<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by USAFAN:
When I remember it right:
64A is near the galley, 64 K is near the restroom.</font>
64K does have the lavatory behind it but both are the same distance from the galley.
Look at this link provide by Jet2K
http://www.seatexpert.com/BA747_70.HTML