The calculated distance (air line) between Czechowice-Dziedzice and Częstochowa is approximately 61 miles respectively 99 kilometers.
By car or train, the actual journey to Częstochowa is certainly longer, as only the direct route (as the crow flies) between Czechowice-Dziedzice and Częstochowa has been calculated here.
Air line (approximately)
99 kilometers
53 nautical miles