LIRR to NY Penn Station. (2.5 hours) $16.75-$23.00http://www.mta.infoBus to Boston: quite a few really cheap options, particularly if you book in advance. Boltbus.com, Megabus.com, gobus.com, busjunction.com. They all leave from different places in NY, most are nonstop to Boston, $20-ish. If you can get to Orient Point when the ferry runs:Cross Sound Ferry Orient Point to New London -- $20, 1.5 hours. http://www.longislandferry.com/Amtrak New London to Boston -- $23-$44, 1.5-2 hours. http://www.amtrak.com/
Most of the info you need can be found on this websitehttp://www.longisland.com/www_frame.php?��Info on both Rail and BusIts only about 220 miles or 4 hours drive. You could hitch hike. Cheaper stillCheers from DOWNUNDER
Hitchhike with strangers.