The calculated distance (air line) between Kāshmar and Eslam Qaleh is approximately 153 miles respectively 245 kilometers.
By car or train, the actual journey to Eslam Qaleh is certainly longer, as only the direct route (as the crow flies) between Kāshmar and Eslam Qaleh has been calculated here.
Air line (approximately)
245 kilometers
132 nautical miles