The calculated distance (air line) between Großzschocher and Mysłakowice is approximately 153 miles respectively 247 kilometers.
By car or train, the actual journey to Mysłakowice is certainly longer, as only the direct route (as the crow flies) between Großzschocher and Mysłakowice has been calculated here.
Air line (approximately)
247 kilometers
133 nautical miles