in addition of course to the previously released
Something which European Maps have which Google Earth lacks is directions for one-way streets.
After some testing, here is what appears to be the state of address search: You can get exact directions between any address in Italy, France, Germany, Spain and the UK, from any of the new national Maps sites. For European countries with road data without a national Maps site, you can get directions to towns.
For example, here are the directions from a specific address in Bologna Italy to Antwerp, in Belgium, using the French Maps site.