You might be interested in this Google map of mosques near the VT campus...
http://maps.google.com/maps?f=q&hl=en&q=mosque&layer=&sll=37.216796,-80.423183&sspn=0.021155,0.032959&ie=UTF8&z=13&ll=37.215019,-80.419235&spn=0.084621,0.131836&om=1&msid=102385726587759113887.00000111fbbb39cd1dda1&msa=0
This link has been invaluable @ TM:
Islamic Finder Offering a search engine for finding Masjids, Islamic organizations, Muslim businesses, prayer time schedules, and more.
http://www.islamicfinder.org/