List of countries without an airport | The Most Hard-to-Reach Countries in the World: Ways Nations Without Airports Tackle Transportation Obstacles.
Vatican City | The counrtry has no airport, Due to limited space. Visitors can go the nearest airport then travel to Vatican City by train or bus.
Monaco | Monaco is a small country with a high population density, Known for it's wealth but Monaco has no airport.
Liechtenstein | Liechtenstein does have a heliport in the southern town of Balzers,Smallest European country, has no airport of it's own.
San Marino | San Marino,being a small country, lacks the space and infrastructure for a airport, Marino is dependent on the nearby airport, has no airport.
Andorra | Travelers can reach Andorra by flying to nearby airports in Spain and France,Located in the Pyreness mountain, Andorra has no airport of it's own.