The National Stakes is a South Australian horse race held at a racecourse how many kilometers from the Adelaide city center?
National Stakes (SAJC): The National Stakes is a South Australian Jockey Club Group 3 Thoroughbred horse race for horses aged two years old, at set weights with penalties, over a distance of 1200 metres, held annually at Morphettville Racecourse in Adelaide, Australia during the Autumn Carnival. Morphettville Racecourse:  It is situated in the Adelaide suburb of Morphettville, and is about 10 km from the Adelaide city centre.
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