The calculated distance (air line) between Eppstein and Steinbach am Taunus is approximately 8 miles respectively 13 kilometers.
By car or train, the actual journey to Steinbach am Taunus is certainly longer, as only the direct route (as the crow flies) between Eppstein and Steinbach am Taunus has been calculated here.
Air line (approximately)
13 kilometers
7 nautical miles