Moving companies in U.S.A are required by law (US DOT#) to hold vehicle insurance, liabity insurance. Moving companies in our system have been pre screened by us. How much does it cost to move cross country? How much does it cost to move out? Questions we can answer. With your long distance family quotes. Door to Door van lines has helped thousands of people choose the best moving plans for their needs, at a price they can afford. FAQ Call us @ 800-521-4535.