The calculated distance (air line) between Bystrzyca Kłodzka and Gliwice is approximately 90 miles respectively 144 kilometers.
By car or train, the actual journey to Gliwice is certainly longer, as only the direct route (as the crow flies) between Bystrzyca Kłodzka and Gliwice has been calculated here.
Air line (approximately)
144 kilometers
78 nautical miles