viewtopic.php?f=3&t=34778&hilit=denmark
if he still checks on here you may be able to pm him, he may give you an insight on the drive as far as denmark, and maybe even ferry crossings.
as for the holiday i think it would be better as a driving holiday but you might get very fed up after that many miles.
the itinery looks like code, sure you werent meant to open it with a diff program to the one you used.