Plymouth is located 40 miles south of Boston, and north of Cape Cod. If you want to go by car, head for the highways: Interstate 495, 195, 95, Massachusetts Turnpike Routes 3 and 3A Route 44.
It's also easy to get to from Boston's Logan Airport: the convenient GATRA buses go frequently from Logan into Plymouth.
You can also take a train from Boston's South Station.
A convenient trolley service connects all Plymouth attractions in season. The John Carver Inn offers step-aboard service right from the front door. Ride all day for one low fare.