I got some excellent maps from the Danish equivalent of the OS pricey but very good I think @ £15 a throw and available in different scales. On the other hand you could for most purposes get away with the relevant Michelin sheet - often you can pick up more detailed local maps at tourist offices for free.
You could try these guys http://www.scanmaps.dk/#
the site has some English pages - try the 'personalised map' page if you only want specific areas. http://www.scanmaps.dk/kort/ditkort.html
Convention? what's that then?
Airnimal Chameleon touring, Orbit Pro hack, Orbit Photon audax, Focus Mares CX tour, Peugeot Carbon sportive, Owen Blower vintage race - all running Tulio's finest!