Which is located outside the mainland US, Fernando Luis Ribas Dominicci Airport or Appleton International Airport?
Fernando Luis Ribas Dominicci Airport Fernando Luis Ribas Dominicci Airport (IATA: SIG, ICAO: TJIG, FAA LID: SIG) , also commonly known as Isla Grande Airport, is a small airport in Miramar, which is a district in the municipality of San Juan, Puerto Rico. It is owned by the Puerto Rico Ports Authority and is adjacent to the new Puerto Rico Convention Center, the San Juan Bay, and the Pan American Cruise Ship Terminal, and overlooks Cataño. While Isla Grande's main operation is with general aviation, it is still a commercial airport, dealing with some domestic and international commercial flights.
San Felipe International Airport San Felipe International Airport (IATA: SFH, ICAO: MMSF) is an international airport located 11 km south of the central business district (CBD) of San Felipe, Baja California, Mexico, a town located on the Gulf of California coast.