The calculated distance (air line) between Nankana Sahib and Pindi Bhattian is approximately 40 miles respectively 65 kilometers.
By car or train, the actual journey to Pindi Bhattian is certainly longer, as only the direct route (as the crow flies) between Nankana Sahib and Pindi Bhattian has been calculated here.
Air line (approximately)
65 kilometers
35 nautical miles