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