Monroe Regional Airport and Walla Walla Regional Airport are both considered to be?
Walla Walla Regional Airport Walla Walla Regional Airport (IATA: ALW, ICAO: KALW, FAA LID: ALW) is a public airport in the western United States, located in Walla Walla County, Washington, three miles (5 km) northeast of the central business district of the city of Walla Walla. It is owned by the Port of Walla Walla.
Sioux Lookout Airport Sioux Lookout Airport (IATA: YXL, ICAO: CYXL) is a regional airport based in Sioux Lookout, Ontario, Canada. The airport opened in 1933. It was, at the time, the second busiest airport in North America next to Chicago Midway International Airport. Today, the airport is a "mini-hub" facilitating travel to and from many northern communities in Northwestern Ontario.