The calculated distance (air line) between Preußisch Oldendorf and Wiesbaden is approximately 154 miles respectively 248 kilometers.
By car or train, the actual journey to Wiesbaden is certainly longer, as only the direct route (as the crow flies) between Preußisch Oldendorf and Wiesbaden has been calculated here.
Air line (approximately)
248 kilometers
134 nautical miles