The calculated distance (air line) between Sonāmura and Bhairab Bāzār is approximately 44 miles respectively 71 kilometers.
By car or train, the actual journey to Bhairab Bāzār is certainly longer, as only the direct route (as the crow flies) between Sonāmura and Bhairab Bāzār has been calculated here.
Air line (approximately)
71 kilometers
38 nautical miles