Question: Which is closer to Carlsbad, Phoenix Sky Harbor International Airport and McClellan–Palomar Airport?
Sentence (from "Phoenix Sky Harbor International Airport"): Phoenix Sky Harbor International Airport (IATA: PHX, ICAO: KPHX, FAA LID: PHX) is a civil-military public airport 3 mi southeast of downtown Phoenix, in Maricopa County, Arizona, United States.
Relevant evidence: Yes