How far is niagara falls from new jersy to niagara falls?

I think you mean to ask, "How far is Niagara-on-the-lake from Niagara Falls." If that is the question, then it is about 26 kilometers.

494.46 kilometres (307.25 miles)

494.46 kilometres (307.25 miles)

1,237.35 kilometres (768.86 miles)

108.74 kilometres (67.57 miles)