
Monaco: Despite being highly populated, Monaco does not have an airport. It has a Heliport in Fontvieille.
Vatican City: This microstate in Rome does not have an airport either. It relies on a heliport, and the closest airport is Rome-Ciampino.
San Marino: Surrounded by Italian land, San Marino is the fifth smallest country globally and lacks an airport. However, the famous Federico Fellini International Airport is just nine miles away.
Liechtenstein: This country, bordering Austria and Germany, does not have its own airport. Visitors must enter by car, boat, or train. The nearest airport is St. Gallen-Altenrhein in Switzerland.
Andorra: As a landlocked micronation between Spain and France, Andorra does not have an airport. Nonetheless, it offers stunning hikes, climbs, and views. There are five airports within a three-hour radius in Spain and France.