Question: Are both Washington Dulles International Airport and Grand Canyon National Park Airport in the same state?
Sentence (from "Washington Dulles International Airport"): Washington Dulles International Airport (IATA: IAD, ICAO: KIAD, FAA LID: IAD) is an international airport in Loudoun and Fairfax counties in Virginia, United States, 26 miles (42 km) west of downtown Washington, D.C. The airport serves the Baltimore–Washington metropolitan area, centered on the District of Columbia.
Relevant evidence: Yes