Capital Beltway. Exit the beltway at Exit 7, Waldorf, Route 5 South. Route 5 will combine with Route 301S. In Waldorf (11.5 miles from the beltway exit), Route 5 will make a left hand turn =96 STAY STRAIGHT. Continue south on Route 301 through Waldorf for approximately 7 more miles. South Potomac Church will be on your right.