They share a common border.
Zero.
They share a border.
Not far since they share a common border.
There is approximately 528 miles between Purchase, New York and New Brunswick, New Jersey. A flight would take about an hour and a half to complete.
New York, New Jersey, Delaware and, Pennsylvania
Around 75 miles but could be more depending on where you leave from
135.18 miles or 2hrs28min
The driving distance from Rochester, NY to Princeton, NJ is 332 miles.
It is 38.4 miles according to Google Maps.
The route with the shortest driving time is about 220 miles.
New Jersey: Trenton New York: Albany
New York New Jersey