The calculated distance (air line) between Nowogród Bobrzański and Częstochowa is approximately 182 miles respectively 292 kilometers.
By car or train, the actual journey to Częstochowa is certainly longer, as only the direct route (as the crow flies) between Nowogród Bobrzański and Częstochowa has been calculated here.
Air line (approximately)
292 kilometers
158 nautical miles