The calculated distance (air line) between Fīrozpur Jhirka and Najafgarh is approximately 57 miles respectively 91 kilometers.
By car or train, the actual journey to Najafgarh is certainly longer, as only the direct route (as the crow flies) between Fīrozpur Jhirka and Najafgarh has been calculated here.
Air line (approximately)
91 kilometers
49 nautical miles