Definition of "measured"

Athelstan Arundel walked home all the way, foaming and raging. No omnibus, cab, or conveyance ever built could contain a young man in such a rage. His mother lived at Pembridge Square, which is four good measured miles from Lincoln's Inn.

1892, Walter Besant, “Prologue: Who is Edmund Gray?”, in The Ivory Gate […], New York, N.Y.: Harper & Brothers, […], page 16

But, for the unquiet heart and brain,⁠A use in measured language lies;⁠The sad mechanic exercise,Like dull narcotics, numbing pain.

1850, [Alfred, Lord Tennyson], In Memoriam, London: Edward Moxon, […], canto V

This procedure was very tedious for me. Although she was definitely in a somnambulistic state, her answers were coming very slowly with carefully measured caution.

1989, Dolores Cannon, chapter 1, in Conversations with Nostradamus, page 8