The calculated distance (air line) between Narsingdi and Rānīr Bāzār is approximately 41 miles respectively 67 kilometers.
By car or train, the actual journey to Rānīr Bāzār is certainly longer, as only the direct route (as the crow flies) between Narsingdi and Rānīr Bāzār has been calculated here.
Air line (approximately)
67 kilometers
36 nautical miles