The calculated distance (air line) between Reichenbach/Vogtland and Wiesbaden is approximately 183 miles respectively 294 kilometers.
By car or train, the actual journey to Wiesbaden is certainly longer, as only the direct route (as the crow flies) between Reichenbach/Vogtland and Wiesbaden has been calculated here.
Air line (approximately)
294 kilometers
159 nautical miles