A similar question has been posted on the Westeros.org forum, you'll surely find your answer here.
http://asoiaf.westeros.org/index.php/topic/47767-dark-sword-minatures/

Yes, you can order from anywhere in the world. The flat rate Airmail shipping cost is $16.00 which you select in the online store checkout process.

Thanks!

Jim
www.DarkSwordMiniatures.com