Dia International Travel 13517 Magruder Farm Ct, Potomac, MD20854 Dia International Travel is a travel agency whose Web site provides online international travel packages throughout the…More world. Its many offerings include (among numerous others) "round the world" itineraries, African safaris and cruises to many destinations, including Alaska and the Virgin Islands. It serves mostly commercial and corporate clients at attractive rates. In addition, it offers discount fares to countless destinations all over the world. Those who join the DIA World Travel Club receive an additional discount and recent information from DIA.