Most people probably wouldn't notice a difference between the two, but some grammarians would say that "that" is preferred in these sentences because "that" introduces an essential clause (a clause that is necessary to understand which distance the writer means. "Which" would make the clause nonessential (it is important, but not required, information to achieve better clarity about the noun (distance) before the clause in question. The box that is on the table is for you.
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Englishmaven but some grammarians would say that "that" is preferred in these sentences because "that" introduces an essential clause (a clause that is necessary to understand which distance the writer means.You have my thanks for this. Of course, 'that' must be a relative pronoun. Including me, some had misunderstood it as a conjunction or a relative adverb.