There are many sitting opportunities in and around Charlottesville.
The Bhavana Society is a forest monastery and retreat center in the Theravada Buddhist tradition, led by Bhante Henepola Gunaratana, author of Mindfulness in Plain English and the highest ranking Theravada monk in North America. It is just two hours from Charlottesville.
UVA Mindfulness Center offers Stress Management and other classes
Forest Way Insight Meditation Center has many local retreats with Matthew Flickstein.