If you are ok with online buying, Amazon.com does have many shoes of that size and type. Otherwise, Kohl's and many other stores usually carry some large shoes.
There are many great websites that include great running shoes for women of all sizes. Eastbay.com has a huge selection of running shoes. Nike also carries a lot of running shoes that have good reviews.
Vomero has a large line of running shoes at www.amazon.com and www.footlocker.com. Both sites offer a variety of sizes and colors for women. Another good site is www.roadrunnersports.com which specializes in just running shoes for men and women.
Bigfoot
I am happy to report that Amazon.com has a very large number/ assortment of the Brooks Ghost 3 running shoes for women in different sizes and colors. Head over and take a look.
Saucony.com sells their line of running shoes for women's. They offer a variety of shoe sizes and types for womens. You can buy it straight from there.
I buy my girls running shoes at the Nike store directly or I do know that 'Eastbay' has an awesome selection of shoes on their site. They also carry women's sizes 5.5 to 11 which is very unusual.
Team Nashville, based in Nashville, have a large selection of running shoes for both men and women. Fleet Nashville also offer a large selection of shoes. Both allow you to try before you buy.
You can fine inexpensive nike running shoes for women online at finishline.com. This site offers clearance sales for a variety of shoes including women's running shoes.
Nike Lunar women's running shoes are better than most other running shoes. If you need new shoes, and want to buy a pair of Nike Lunar women's running shoes. than get them at dicks spoting goods store.
Payless is a really good shoe store.. they always have the best shoes i go there all the time there is also the shoe warehouse which has good running shoes i hope i helped
http://www.amazon.com is an online shop that sells a variety of new balance trail running shoes. Furthermore, it stocks a variety of sizes for both men and women.
Converse shoes are available in women's sizes 5-18. A variety of Converse shoes are available on their official site, such as the Lorax and Chuck Taylor All Star.