This is the longest voyage yet for him.

这是他最远的航行。

youdao

During her voyage the longest she could sleep at a time was half-an-hour, and she averaged less than five hours a day throughout the race.

BBC: SPORT | Other Sport | Richards appointed MBE

The Longest Journey is a voyage well worth taking, just make sure you've got enough vacation time left - that title is more appropriate than you'd think.

CNN: Review: The Longest Journey