| population | |
| Freiburg Region | 2285156 |
| Karlsruhe Region | 2812482 |
| population | |
| Regierungsbezirk Stuttgart | 4150949 |
| Tuebingen Region | 1876055 |
 | Stuttgart Airport | ~ 26.69 km |
| Karlsruhe Baden-Baden Airport | ~ 74.36 km |
| Lahr Airport | ~ 87.70 km |
| Friedrichshafen Airport | ~ 99.67 km |
 | Strasbourg Airport | ~ 101.12 km |
| Memmingen Allgau Airport | ~ 107.96 km |
| Mannheim-City Airport | ~ 113.86 km |
 | St Gallen Altenrhein Airport | ~ 120.33 km |
| Zürich Airport | ~ 120.64 km |
