The calculated distance (air line) between Sar-e Pul and Kolkhozobod is approximately 178 miles respectively 286 kilometers.
By car or train, the actual journey to Kolkhozobod is certainly longer, as only the direct route (as the crow flies) between Sar-e Pul and Kolkhozobod has been calculated here.
Air line (approximately)
286 kilometers
155 nautical miles