Yes, you can choose which map features to show or hide from the DISPLAY menu, which is shown above the map on the View Route page. In the route planner the same switches are available at the bottom of the map. If you hide the distance markers on the map before printing, they won't then appear on the print out.
Is it posibile to show the route without the mileage discs. I want to print the route as clean as possible but the mileage disc are always there and on a small scale they totally cover the line.