Airport Palo Alto of Santa Clara County is located in United States near the city of Palo Alto. The international codes of Palo Alto of Santa Clara County airport are ICAO: KPAO and IATA: PAO. Palo Alto of Santa Clara County is located at latitude 37.4611 and longitude -122.115. The elevation above sea level is 7ft (2m). Local timezone at the airport is UTC/GMT -8:00 hours.