The calculated distance (air line) between Thākurgaon and Pīrgaaj is approximately 14 miles respectively 22 kilometers.
By car or train, the actual journey to Pīrgaaj is certainly longer, as only the direct route (as the crow flies) between Thākurgaon and Pīrgaaj has been calculated here.
Air line (approximately)
22 kilometers
12 nautical miles