The calculated distance (air line) between Khowai and Rānīr Bāzār is approximately 22 miles respectively 36 kilometers.
By car or train, the actual journey to Rānīr Bāzār is certainly longer, as only the direct route (as the crow flies) between Khowai and Rānīr Bāzār has been calculated here.
Air line (approximately)
36 kilometers
20 nautical miles