Question: San Bernardino International Airport was located on the site of the facility that was how far east of downtown?
Sentence (from "San Bernardino International Airport"): San Bernardino International Airport (IATA: SBD, ICAO: KSBD, FAA LID: SBD) (SBIA) is a public airport located less than two miles (3 km) southeast of the city center of San Bernardino, California, in San Bernardino County, California, USA.
Relevant evidence: No