The calculated distance (air line) between Ludhiāna and Karol Bāgh is approximately 176 miles respectively 283 kilometers.
By car or train, the actual journey to Karol Bāgh is certainly longer, as only the direct route (as the crow flies) between Ludhiāna and Karol Bāgh has been calculated here.
Air line (approximately)
283 kilometers
152 nautical miles