The calculated distance (air line) between Sairang and Rānīr Bāzār is approximately 81 miles respectively 131 kilometers.
By car or train, the actual journey to Rānīr Bāzār is certainly longer, as only the direct route (as the crow flies) between Sairang and Rānīr Bāzār has been calculated here.
Air line (approximately)
131 kilometers
71 nautical miles