New Jersey

 was a state of the United States of America in which Union City (COMIC: Spiral Staircase) and the city of Trenton could be found. (TV: The Stones of Blood)

It was "just across the water" from New York City. The Staten Island Ferry allowed passage across to New York State. (AUDIO: Invaders from Mars)

Rex Matheson once compared Wales to New Jersey, because it was separated from England by the Severn Bridge, similar to the way New Jersey was separated from New York by bridges. (TV: The New World)

A human colony planet was named New Jersey. (PROSE: Ten Little Aliens)