The calculated distance (air line) between Rheda-Wiedenbrück and Wandsbek is approximately 141 miles respectively 227 kilometers.
By car or train, the actual journey to Wandsbek is certainly longer, as only the direct route (as the crow flies) between Rheda-Wiedenbrück and Wandsbek has been calculated here.
Air line (approximately)
227 kilometers
123 nautical miles