Your going by what we know today Pete, which is probably very little.
If life exists they could be millions or billions of years ahead of us in Technology. They could have technology we couldn’t even concieve of.
Wormholes, Space Folding. These are all Scientific Possibilities.
Could someone from the 1850’s have concieved of the Technology we have and that’s only 150 years ago. With billions of years more in evolving technology I’d imagine ways could be found that would make it as quick as a trip to the Supermarket.