The calculated distance (air line) between Torbat-e Ḩeydarīyeh and Tejen is approximately 162 miles respectively 261 kilometers.
By car or train, the actual journey to Tejen is certainly longer, as only the direct route (as the crow flies) between Torbat-e Ḩeydarīyeh and Tejen has been calculated here.
Air line (approximately)
261 kilometers
141 nautical miles