Hey Rick,
Unless you write some javascript to auto fill the directions field and click the search button no. The user will have to enter this information himself.
This is the js with mootools that would automatically fill the directions form and submit it:
window.addEvent('domready', function() {
document.id('directions-departure').set('value', 'karlsruhe').fireEvent('blur');
document.id('directions-arrival').set('value', 'heidelberg').fireEvent('blur');
document.id('search-directions').getElement('button').click();
});
You need to load this code on the page where you have the map. There are some plugins that can load javascript in an article.
Cheers,
Daniel