The calculated distance (air line) between Rānīr Bāzār and Sonāmura is approximately 26 miles respectively 41 kilometers.
By car or train, the actual journey to Sonāmura is certainly longer, as only the direct route (as the crow flies) between Rānīr Bāzār and Sonāmura has been calculated here.
Air line (approximately)
41 kilometers
22 nautical miles