No. You need to buy a ticket to Boston or DC.
http://www.continental.com/CMS/en-US...spx?ItemId=109
Earn 500 Base Miles, 500 Elite Qualification Miles and one Elite Qualification Point per Business class segment or 750 Base Miles, 750 Elite Qualification Miles and two Elite Qualification Points per First class segment on Metroliner and Acela Express trains (no connecting flight required) between New York's Penn Station and the following train stations: Boston's South Station, MA; Boston's Back Bay Station, MA; Boston's Route 128 Station, MA; Washington D.C.