The calculated distance (air line) between Eslam Qaleh and Chahār Burj is approximately 70 miles respectively 113 kilometers.
By car or train, the actual journey to Chahār Burj is certainly longer, as only the direct route (as the crow flies) between Eslam Qaleh and Chahār Burj has been calculated here.
Air line (approximately)
113 kilometers
61 nautical miles