Manassas Regional Airport (IATA: KHEF, ICAO: HEF) , also known as Harry P. Davis Field, is a city-owned public-use airport located four nautical miles (7 km) southwest of the central business district of Manassas, in a section of Manassas that was carved out of Prince William County specifically for the purpose of containing the airport.
 The largest regional airport in the state of Virginia, Manassas Regional Airport is located 30 miles from Washington, D.C.
Raleigh Exec: The Raleigh Executive Jetport @ Sanford-Lee County or Raleigh Exec Jetport at Sanford-Lee CountyFAA Airport Master Record for TTA (Form 5010 ) (ICAO: KTTA, FAA LID: TTA) is a public use airport located seven nautical miles (8 mi, 13 km) northeast of the central business district of Sanford, a city in Lee County, North Carolina, United States.
 It is owned by the Sanford-Lee County Regional Airport Authority and was previously known as Sanford-Lee County Regional Airport.
 This airport is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a "reliever airport" for Raleigh-Durham International Airport.
Brainerd Lakes Regional Airport (IATA: BRD, ICAO: KBRD, FAA LID: BRD) is a public use airport located three nautical miles (6 km) northeast of the central business district of Brainerd, a city in Crow Wing County, Minnesota, United States.
 The airport is owned by the city and county.
 It is mostly used for general aviation but is also served by one commercial airline.
Orange County Airport is the original name of the John Wayne Airport in Santa Ana, Orange County, California
KLKS (100.1 FM; "Talk 100") is a radio station owned by Jimmy D. Birkemeyer's R & J Broadcasting and located in Pequot Lakes, Minnesota.
 It serves the Brainerd Lakes Area of central Minnesota.
Air California, later renamed AirCal, was founded by William E. Myers and Bill Perrera and began as an intrastate airline operating solely within California.
 Following the federal Airline Deregulation Act in 1978, it expanded to several destinations in neighboring states, and in the 1980s was flying to Chicago (ORD), Seattle (SEA), Anchorage (ANC), and Vancouver, B.C. (YVR) in addition to its California routes as well as service to other destinations in the western U.S.
 It was founded by a partnership of Orange County businessmen and its initial route when scheduled passenger operations were commenced on January 16, 1967, was nonstop between Orange County Airport (SNA) and San Francisco International Airport (SFO), a previously unserved route, using two Lockheed L-188 Electra turboprops with five daily round trip flights.
 Air California was headquartered in Newport Beach, California.
 The airline's "home" airport was Orange County Airport, now known as John Wayne Airport.
 The airline was renamed AirCal in 1981 and was merged into American Airlines in 1987.
Elizabeth City Regional Airport (IATA: ECG, ICAO: KECG, FAA LID: ECG) is a joint civil-military public and military use airport located three nautical miles (6 km) southeast of the central business district of Elizabeth City, in Pasquotank County, North Carolina, United States.
 The airport, on the shore of the Pasquotank River, is also known as Elizabeth City-Pasquotank County Regional Airport or ECG Regional Airport.
 It is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a "general aviation" facility.
Chino Airport (IATA: CNO, ICAO: KCNO, FAA LID: CNO) is a county-owned airport about three miles southeast of Chino, in San Bernardino County, California.
 The Federal Aviation Administration's National Plan of Integrated Airport Systems for 2007–2011 classified it as a "reliever airport", due to its proximity to the Ontario International Airport and the John Wayne Airport (in Orange County).
John Wayne Airport (IATA: SNA, ICAO: KSNA, FAA LID: SNA) is an international airport in Orange County, California, United States, with its mailing address in the city of Santa Ana, hence the IATA airport code.
 The entrance to the airport is off MacArthur Blvd in Irvine, the city that borders the airport on the north and east.
 Newport Beach and Costa Mesa form the southern and western boundaries along with a small unincorporated area along the Corona del Mar (73) Freeway.
 Santa Ana is just north, not actually touching the airport.
 Originally named Orange County Airport, the county Board of Supervisors renamed it in 1979 to honor actor John Wayne, who lived in neighboring Newport Beach and died that year.
Roanoke–Blacksburg Regional Airport (IATA: ROA, ICAO: KROA, FAA LID: ROA) , also known as Woodrum Field, is a regional airport located three nautical miles (6 km) northwest of the central business district of Roanoke, a city in Roanoke County, Virginia, United States.
 It is governed by the five-member Roanoke Regional Airport Commission that includes representatives from both the city and county of Roanoke.
 The airport has two runways and over 60 scheduled flights each day.

Question: What are country are both John Wayne Airport and Brainerd Lakes Regional Airport located in?
Answer: United States