From Nassau St At Palmer Square line 606 bus to Trenton Transit Center, train to 30th Station, then bus to Kutztown, PA. 4hrs 20min $48. From Princeton train to Princeton Junction, NJ, train to 34 St - Penn Station, Subway to New York, NY, then bus to Kutztown. 4hrs 16min $53. From Princeton drive to Kutztown. 1hrs 55min $13.