Which airport is located in North Dakota, Grand Forks International Airport or Knox County Regional Airport?
Knox County Regional Airport Knox County Regional Airport (IATA: RKD, ICAO: KRKD, FAA LID: RKD) is a county owned, public use airport in Knox County, Maine, United States. It is located three nautical miles (6 km) south of the central business district of Rockland, Maine. The airport serves the residents of midcoast Maine with commercial and charter aviation services. Scheduled airline service is subsidized by the Essential Air Service program. It is also a major hub of freight and mail service to Maine's island communities including Matinicus, North Haven and Vinalhaven.
Knox, North Dakota Knox is a city in Benson County, North Dakota, United States. The population was 25 at the 2010 census. Knox was founded in 1887.