I don't see why not, it's not like Copenhagen is all that far away...
You just drive to Groningen, (unless you live closer to Germany than that) follow the signs that say Bremen, then make a left, follow the signs that say Odense then follow the signs that say Kobenhavn or some such..., and that's without consulting any more than a kriegsmarine Grid map, how hard can it be...
I'm considering attending too, it's been years since I had a foreign vacation, I might as well