The calculated distance (air line) between Czerwionka-Leszczyny and Zabrze is approximately 13 miles respectively 21 kilometers.
By car or train, the actual journey to Zabrze is certainly longer, as only the direct route (as the crow flies) between Czerwionka-Leszczyny and Zabrze has been calculated here.
Air line (approximately)
21 kilometers
11 nautical miles