Countries
| Name | Country Code | Continent | Number of Airports |
|---|---|---|---|
| Montenegro | ME | EU | 5 |
| Tonga | TO | OC | 5 |
| Saint Vincent and the Grenadines | VC | NA | 5 |
| Bhutan | BT | AS | 5 |
| Western Sahara | EH | AF | 5 |
| Comoros | KM | AF | 4 |
| Bahrain | BH | AS | 4 |
| Kosovo | XK | EU | 4 |
| Samoa | WS | OC | 4 |
| American Samoa | AS | OC | 4 |
| Lebanon | LB | AS | 4 |
| French Southern Territories | TF | AF | 4 |
| Antigua and Barbuda | AG | NA | 3 |
| Bonaire | BQ | NA | 3 |
| São Tomé and Príncipe | ST | AF | 3 |