| population | |
| Bachackerhof | |
| Obere Klus | |
| Pfeffingen | 2201 |
| population | |
| Untere Klus |
 | EuroAirport Basel-Mulhouse-Freiburg Airport | ~ 15.25 km |
 | Grenchen Airport | ~ 33.02 km |
| Bern-Belp Airport | ~ 60.78 km |
| Emmen Air Base | ~ 68.09 km |
| Zürich Airport | ~ 72.76 km |
| Colmar-Houssen Airport | ~ 74.43 km |
| Buochs Airport | ~ 81.77 km |
 | Lahr Airport | ~ 103.08 km |
| Strasbourg Airport | ~ 120.26 km |
