GOD'S WORD® Translation
They appeared in heavenly glory and were discussing Jesus' approaching death and what he was about to fulfill in Jerusalem.

American Standard Version
who appeared in glory, and spake of his decease which he was about to accomplish at Jerusalem.

Berean Study Bible
They appeared in glory and spoke about His departure, which He was about to accomplish at Jerusalem.

Douay-Rheims Bible
Appearing in majesty. And they spoke of his decease that he should accomplish in Jerusalem.

English Revised Version
who appeared in glory, and spake of his decease which he was about to accomplish at Jerusalem.

King James Bible
Who appeared in glory, and spake of his decease which he should accomplish at Jerusalem.

World English Bible
who appeared in glory, and spoke of his departure, which he was about to accomplish at Jerusalem.

Young's Literal Translation
who having appeared in glory, spake of his outgoing that he was about to fulfil in Jerusalem,

Luke 9:31 Additional Translations ...