The calculated distance (air line) between Neuhaus am Rennweg and Wiesbaden is approximately 131 miles respectively 211 kilometers.
By car or train, the actual journey to Wiesbaden is certainly longer, as only the direct route (as the crow flies) between Neuhaus am Rennweg and Wiesbaden has been calculated here.
Air line (approximately)
211 kilometers
114 nautical miles