The calculated distance (air line) between Kālādhūngi and Najafgarh is approximately 151 miles respectively 243 kilometers.
By car or train, the actual journey to Najafgarh is certainly longer, as only the direct route (as the crow flies) between Kālādhūngi and Najafgarh has been calculated here.
Air line (approximately)
243 kilometers
131 nautical miles