The calculated distance (air line) between Rosbach vor der Höhe and Wiesbaden is approximately 25 miles respectively 40 kilometers.
By car or train, the actual journey to Wiesbaden is certainly longer, as only the direct route (as the crow flies) between Rosbach vor der Höhe and Wiesbaden has been calculated here.
Air line (approximately)
40 kilometers
21 nautical miles