The calculated distance (air line) between Pāonta Sāhib and Ludhiāna is approximately 110 miles respectively 177 kilometers.
By car or train, the actual journey to Ludhiāna is certainly longer, as only the direct route (as the crow flies) between Pāonta Sāhib and Ludhiāna has been calculated here.
Air line (approximately)
177 kilometers
96 nautical miles