Hi! Use the following link to see your options at Amtrak:

http://www.amtrak.com/servlet/ContentServer?pagename=Amtrak%2FRoutes_Page&_searchType=destinationTime&xwdf_cmsorigin=sessionWorkflow%2FproductWorkflow[%40product%3D%27Rail%27]%2FtravelSelection%2FjourneySelection[1]%2FdepartLocation%2Fsearch&wdf_cmsorigin=Boston+-+South+Station%2C+MA+(BOS)&xwdf_cmsdestination=sessionWorkflow%2FproductWorkflow[%40product%3D%27Rail%27]%2FtravelSelection%2FjourneySelection[1]%2FarriveLocation%2Fsearch&wdf_cmsdestination=Richmond+-+Staples+Mill+Rd%2C+VA+(RVR)&_handler%3Damtrak.presentation.handler.request.rail.AmtrakCMSRailRoutesRequestHandler%2F_xpath%3DsessionWorkflow%2FproductWorkflow[%40product%3D%27Rail%27].x=13&_handler%3Damtrak.presentation.handler.request.rail.AmtrakCMSRailRoutesRequestHandler%2F_xpath%3DsessionWorkflow%2FproductWorkflow[%40product%3D%27Rail%27].y=10

I hope you enjoy your trip!