Originally Posted by AZ_MISMAN
Remember that those 13k NW miles may not be completely useless. You can *use* them on SkyTeam, and can earn on CO and DL.
Bob
Welcome.
Also Alaska and maybe a few other non-SkyTeam carriers.
You can also redeem NW miles for magazine subscriptions.
(Unrelated suggestion: when starting threads, try to be pretty specific in the title such as "Need suggestions for orphaned NW miles" so that the people with the most knowledge will read and possibly respond to the thread.)
Edited to add:
You can also donate NW miles to the Red Cross for tsunami or other relief.
http://redcross.org/donate/donatemiles.html