The great India Pacific rail journey from Sydney to Perth takes 65 hours, but the most popular part is the 38-hour stretch you are after, west from Adelaide.
The word "Nullarbor" is derived from the Latin for "no trees" and there's an especially desolate, swerve-free section of track there that lasts for a staggering 297 miles. It's the longest bit of straight railway line in the world that's like catching a train from Southampton to Newcastle without once being driven round a
