The calculated distance (air line) between Trashi Yangtse and Dhekiajuli is approximately 87 miles respectively 140 kilometers.
By car or train, the actual journey to Dhekiajuli is certainly longer, as only the direct route (as the crow flies) between Trashi Yangtse and Dhekiajuli has been calculated here.
Air line (approximately)
140 kilometers
76 nautical miles