Definition of "all the way"
Completely, as much as possible; in full; to the end or full extent.
Quotations
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