The calculated distance (air line) between Qala i Naw and Qarah Bāgh is approximately 77 miles respectively 123 kilometers.
By car or train, the actual journey to Qarah Bāgh is certainly longer, as only the direct route (as the crow flies) between Qala i Naw and Qarah Bāgh has been calculated here.
Air line (approximately)
123 kilometers
67 nautical miles