Question: Which airport, Long Beach Airport or General Mitchell International Airport, is closer to its nearest major city?
Context: General Mitchell International Airport (IATA: MKE, ICAO: KMKE, FAA LID: MKE) is a civil-military airport five miles (8 km) south of downtown Milwaukee, Wisconsin, United States.  It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2017–2021, in which it is categorized as a medium-hub primary commercial service facility. The Seikan Tunnel (青函トンネル , Seikan Tonneru , or 青函隧道 "Seikan Zuidō") is a 53.85 km dual gauge railway tunnel in Japan, with a 23.3 km long portion under the seabed.  The track level is about 100 m below the seabed and 240 m below sea level.  It extends beneath the Tsugaru Strait—connecting Aomori Prefecture on the main Japanese island of Honshu with the northern island of Hokkaido—as part of the standard gauge Hokkaido Shinkansen and the narrow gauge Kaikyo Line portion of the Hokkaido Railway Company (JR Hokkaido)'s Tsugaru-Kaikyō Line.  The name "Seikan" comes from combining the "on'yomi" readings of the first characters of Aomori (青森 ) , the nearest major city on the Honshu side of the strait, and Hakodate (函館 ) , the nearest major city on the Hokkaido side. United Airlines Flight 266 was a scheduled flight from Los Angeles International Airport, California, to General Mitchell International Airport, Milwaukee, Wisconsin via Stapleton International Airport, Denver, Colorado with 38 on board.  On January 18, 1969 at approximately 18:21 PST it crashed into Santa Monica Bay, Pacific Ocean, about 11.5 miles west of Los Angeles International Airport, four minutes after takeoff. Long Beach Airport (IATA: LGB, ICAO: KLGB, FAA LID: LGB) is a city-owned public airport three miles northeast of downtown Long Beach, in Los Angeles County, California.  It was formerly called Daugherty Field. Pensacola International Airport (IATA: PNS, ICAO: KPNS, FAA LID: PNS) , formerly Pensacola Gulf Coast Regional Airport and Pensacola Regional Airport (Hagler Field), is a public use airport three nautical miles (6 km) northeast of the central business district of Pensacola, in Escambia County, Florida, United States.  It is owned by the City of Pensacola.  Despite the name, this airport does not offer direct international flights.  This airport is one of the five major airports in North Florida, others being: Northwest Florida Beaches International Airport, Destin-Fort Walton Beach Airport Tallahassee International Airport, and Jacksonville International Airport. Long Beach Boulevard or Long Beach/I-105 is a Los Angeles County Metro Rail station on the Green Line.  It is located in the center median of Century Freeway at the interchange with Long Beach Boulevard in Lynwood, California.  It is not necessarily named for the city of Long Beach, California (served by the Blue Line) as Metro Rail usually names most of their stations after the nearest major cross streets.  In this case, the station, located in Lynwood, is named for Long Beach Boulevard which indeed travels down to Long Beach.  The original name for this station was Long Beach Blvd/I-105 and it may still be used in some places. The Milwaukee Airport Railroad Station is an Amtrak railway station which opened for service on January 18, 2005.  It is located at 5601 South 6th Street, just south of Wisconsin Highway 119, near the western edge of General Mitchell International Airport in Milwaukee, Wisconsin, United States.  The facility accommodates travelers who use the "Hiawatha Service" between Chicago Union Station and the Milwaukee Intermodal Station, and sees fourteen daily arrivals, seven each from Milwaukee and Chicago.  There is a shuttle from the station to the terminal of Mitchell Airport. State Trunk Highway 119 (often called Highway 119, STH 119 or WIS 119), better known as the "Airport Spur", is a connector freeway in Milwaukee, Wisconsin.  The 1.89 mi freeway connects Interstate Highway 94 to General Mitchell International Airport.  STH 119 has had many different iterations dating back to 1919, and since has had five other variations including the modern day route.  These different roads were short lived but were located throughout the state of Wisconsin in the Milwaukee area, Manitowoc and Green Bay. Mississippi Valley Airlines (IATA--XV), was a regional air carrier serving the Upper Midwestern region of the United States.  It was founded as Gateway Aviation, and had its headquarters in La Crosse, Wisconsin.  It began scheduled flight operations on July 22, 1968 between La Crosse Municipal Airport and both Chicago (O'Hare International Airport) and Milwaukee (General Mitchell International Airport).  The carrier changed its name to Mississippi Valley Airways in October 1969.  It became Mississippi Valley Airlines (MVA) and moved its headquarters to Quad City Airport in Moline, Illinois in January 1982.  The airline merged into Air Wisconsin in 1985. The Mitchell Gallery of Flight is an aviation museum located inside General Mitchell International Airport in Milwaukee, Wisconsin in the United States.
Answer: Long Beach Airport