The calculated distance (air line) between Katālem va Sādāt Shahr and Qazvin is approximately 58 miles respectively 93 kilometers.
By car or train, the actual journey to Qazvin is certainly longer, as only the direct route (as the crow flies) between Katālem va Sādāt Shahr and Qazvin has been calculated here.
Air line (approximately)
93 kilometers
50 nautical miles