| population | |
| Castrop-Rauxel | 73078 |
| Datteln | 34876 |
| Dorsten | 74551 |
| Gladbeck | 75343 |
| population | |
| Haltern am See | 37808 |
| Herten | 61910 |
| Marl | 83697 |
| Oer-Erkenschwick | 31395 |
| population | |
| Recklinghausen | 110714 |
| Waltrop | 29429 |
 | Essen Mülheim Airport | ~ 33.01 km |
| Dortmund Airport | ~ 35.60 km |
| Düsseldorf Airport | ~ 49.80 km |
| Münster Osnabrück Airport | ~ 63.49 km |
| Mönchengladbach Airport | ~ 66.23 km |
 | Twente Airport | ~ 70.18 km |
| Weeze Airport | ~ 70.28 km |
| Cologne Bonn Airport | ~ 89.01 km |
| Bonn-Hangelar Airport | ~ 99.80 km |
