 From 1956 to 1961, Soenario was Indonesia's ambassador to the Court of St. James's, then chancellor of Diponegoro University in Semarang from 1963 to 1966.On 15 August 1985, he was awarded the Bintang Mahaputra Adipradana, Second Class, one of Indonesia's highest civilian awards.Then-President Suharto spoke at Soenario's funeral in 1997.