You and/or your immediate family may occupy temporary quarters in the United States at Government expense within reasonable proximity (approximately 50 miles) of the geographical area of your old and/or new official stations. Neither you nor your immediate family may be reimbursed for occupying temporary quarters at any other location, unless justified by special circumstances (e.g., the temporary quarters location is subject to a Presidentially-Declared Disaster) that are reasonably related to your transfer.
41 C.F.R. §§302-6.10