The calculated distance (air line) between Bāgha Purāna and Najafgarh is approximately 183 miles respectively 294 kilometers.
By car or train, the actual journey to Najafgarh is certainly longer, as only the direct route (as the crow flies) between Bāgha Purāna and Najafgarh has been calculated here.
Air line (approximately)
294 kilometers
159 nautical miles