On 28 December she sailed from Seattle on another "Magic-Carpet" run to Manila and Yokohama and returned to San Francisco 3 March 1946 with a full load of homeward-bound troops.

Following a round-trip voyage from San Francisco to Manila and return, General Stuart Heintzelman steamed from the West Coast via Panama to New York, where she arrived 27 May.

On 30 October 1947 USAT General Stuart Heintzelman left Bremerhaven with 843 displaced persons from Estonia, Latvia and Lithuania and arrived in Fremantle, Western Australia on 28 November 1947.

For more than 2 years she made passenger runs typically from New York to Bremerhaven, Germany; La Pallice, France; Southampton, England; Argentia, Newfoundland; Reykjavík, Iceland; and San Juan, Puerto Rico.

One such run in November 1951 hauled elements of the 28th Infantry Division from Hampton Roads, Virginia to Bremerhaven as an effort to bolster NATO forces in Germany.