The calculated distance (air line) between Chahār Burj and Zindah Jān is approximately 26 miles respectively 42 kilometers.
By car or train, the actual journey to Zindah Jān is certainly longer, as only the direct route (as the crow flies) between Chahār Burj and Zindah Jān has been calculated here.
Air line (approximately)
42 kilometers
23 nautical miles