The calculated distance (air line) between Khodzha-Maston and Kŭlob is approximately 85 miles respectively 137 kilometers.
By car or train, the actual journey to Kŭlob is certainly longer, as only the direct route (as the crow flies) between Khodzha-Maston and Kŭlob has been calculated here.
Air line (approximately)
137 kilometers
74 nautical miles