The calculated distance (air line) between Kerr Serign and Sinchu Balla is approximately 114 miles respectively 183 kilometers.
By car or train, the actual journey to Sinchu Balla is certainly longer, as only the direct route (as the crow flies) between Kerr Serign and Sinchu Balla has been calculated here.
Air line (approximately)
183 kilometers
99 nautical miles