1 If you are an undergraduate student, you're paid by the hour. 2  If you are a graduate or professional student, you're paid by the hour or by salary, depending on the work you do.  Your school must pay you at least once a month.
IAD Airport is located within both communities of Chantilly and Dulles, Virginia, but is 26 miles west of the central business district of Washington, D.C.
Baltimore/Washington International Thurgood Marshall Airport. BWI is the closest airport to Columbia, at approximately 18 miles east of the town. Major airlines servicing BWI include, but are not limited to, American Airlines, U.S. Airways, United Airlines, Southwest Airlines, Delta and British Airways.ulles International Airport is approximately 45 miles southwest of Columbia in Fairfax County, Virginia. As Dulles is an international hub, you may depart from there if you are traveling to Europe or destinations beyond the Western Hemisphere in Africa, Asia and the Middle East.