Question: How far northwest of Argentina is the birthplace of Oscar Román Acosta?
Context: Oscar "Zeta" Acosta (April 8, 1935 – disappeared 1974) was an American attorney, politician, novelist and activist in the Chicano Movement.  He was most well known for his novels "Autobiography of a Brown Buffalo" (1972) and "The Revolt of the Cockroach People" (1973), and his friendship with American author Hunter S. Thompson.  Thompson characterized him as a heavyweight Samoan attorney, Dr. Gonzo, in his novel "Fear and Loathing in Las Vegas".  Acosta disappeared in 1974 during a trip in Mazatlan, Mexico, and is presumed dead. Rene Alexander Acosta (born January 16, 1969) is an American attorney, academic, and politician who is the 27th and current United States Secretary of Labor.  A Republican, he was appointed by President George W. Bush to the National Labor Relations Board and later served as Assistant Attorney General for Civil Rights and federal prosecutor for the Southern District of Florida.  On , President Donald Trump nominated Acosta to be United States Secretary of Labor.  Acosta is the first and only Hispanic member of Trump's cabinet so far.  He is the former dean of Florida International University College of Law. Velika Kladuša (] ) is a town and municipality in the far northwest of Bosnia and Herzegovina, located near the border with Croatia.  The closest city is Cazin, and a bit farther, the cities of Bihać and Bosanski Novi.  Across the border, it is not far from Cetingrad.  Administratively, it is part of the Una-Sana Canton of the Federation of Bosnia and Herzegovina. Calopogon tuberosus, the tuberous grass pink, is an orchid native to eastern North America.  In the United States, it occurs from as far southwest as Texas and Oklahoma and southeast to the Florida Everglades to as far northeast as Maine and as far northwest as Minnesota.  In Canada, it is found in all provinces from Newfoundland to Manitoba.  It also is found in St. Pierre & Miquelon, Cuba and the Bahamas. Oscar Román Rosas González (born 14 September 1968) is a Mexican politician affiliated with the PRI.  He currently serves as Senator of the LXII Legislature of the Mexican Congress representing Campeche.  He also served as member of the Chamber of Deputies during the LXI Legislature. The Hawaiian–Emperor seamount chain is a mostly undersea mountain range in the Pacific Ocean that reaches above sea level in Hawaii.  It is composed of the Hawaiian ridge, consisting of the islands of the Hawaiian chain northwest to Kure Atoll, and the Emperor Seamounts: together they form a vast underwater mountain region of islands and intervening seamounts, atolls, shallows, banks and reefs along a line trending southeast to northwest beneath the northern Pacific Ocean.  The seamount chain, containing over 80 identified undersea volcanoes, stretches over 5800 km from the Aleutian Trench in the far northwest Pacific to the Loʻihi seamount, the youngest volcano in the chain, which lies about 35 km southeast of the Island of Hawaiʻi. Where the Buffalo Roam is a 1980 American semi-biographical comedy film which loosely depicts author Hunter S. Thompson's rise to fame in the 1970s and his relationship with Chicano attorney and activist Oscar "Zeta" Acosta.  Art Linson directed the picture, while Bill Murray portrayed the author and Peter Boyle portrayed Acosta, who is referred to in the film as Carl Lazlo, Esq.  A number of other names, places, and details of Thompson's life are also changed. Potomac Heights is a neighborhood in Northwest Washington, D.C., overlooking the Potomac River from MacArthur Boulevard westward.  Potomac Heights is the part of the Palisades bounded to the north by Loughboro Road and to the south by Chain Bridge and Arizona Avenue NW.  It is part of Advisory Neighborhood Commission 3D in Ward 3, the far northwest corner of the Northwest Quadrant just north of Georgetown. Oscar Román Acosta (born 18 October 1964 in Rosario) is a retired Argentine football midfielder who won two Primera División Argentina titles with Ferro Carril Oeste. Rosario (] ) is the largest city in the province of Santa Fe, in central Argentina.  It is located 300 km northwest of Buenos Aires, on the western shore of the Paraná River.  Rosario is the third most populous city in the country, and is also the most populous city in Argentina that is not a provincial capital.  With a growing and important metropolitan area, Greater Rosario has an estimated population of 1,276,000 as of 2012 .  One of its main attractions includes the neoclassical architecture that has been retained over the centuries in hundreds of residences, houses, and public buildings.
Answer: 300 km