About 150 from Hue. And Hue is 100 from Danang. Roads are fine, it’s a pretty beautiful journey out there.
The town on the other side in Laos isn’t much though, and if you have to stay awhile to wait for the new visa it’s going to get pretty boring. Lao Bao is military so it takes a few days to update your exit to immigration…
You have work visa or just doing tourist visas over and over?
You’re in Vietnam. I see the money