The distance between New Jersey and New York City varies depending on the specific locations, but generally:

• The air travel (straight line) distance is about 80 kilometers (50 miles).
• The driving distance is approximately 108 kilometers (67 miles) and typically takes around 1 hour and 34 minutes by car.
• For closer points, such as from Newark or Jersey City in New Jersey to Manhattan in New York City, the distance can be about 10 to 16 miles, with travel times ranging from 15 minutes to about an hour depending on traffic and mode of transport.