The calculated distance (air line) between Cox’s Bāzār and Burhānuddin is approximately 110 miles respectively 177 kilometers.
By car or train, the actual journey to Burhānuddin is certainly longer, as only the direct route (as the crow flies) between Cox’s Bāzār and Burhānuddin has been calculated here.
Air line (approximately)
177 kilometers
96 nautical miles