The calculated distance (air line) between Pul-e Khumrī and Sar-e Pul is approximately 157 miles respectively 252 kilometers.
By car or train, the actual journey to Sar-e Pul is certainly longer, as only the direct route (as the crow flies) between Pul-e Khumrī and Sar-e Pul has been calculated here.
Air line (approximately)
252 kilometers
136 nautical miles