Make a nether portal with the bottom left corner at the coordinates 286.49.119 ( the corners of my portal are made of cobblestone on the the top right, and the other corners are made of normal stone. ) go through the portal to the Nether come back through the portal to the Over-world...
[Mod] GoldenHelmet added a comment - 21/Dec/20 4:17 AM @Chris Lemelin: I tried your coordinates and was able to use nether portals there successfully several times on render distance 44. It did take several seconds to load the overworld when going through. While that may seem unexpected...