The calculated distance (air line) between Chahār Burj and Torbat-e Jām is approximately 113 miles respectively 181 kilometers.
By car or train, the actual journey to Torbat-e Jām is certainly longer, as only the direct route (as the crow flies) between Chahār Burj and Torbat-e Jām has been calculated here.
Air line (approximately)
181 kilometers
98 nautical miles