The calculated distance (air line) between Qazvin and Qā’em Shahr is approximately 159 miles respectively 257 kilometers.
By car or train, the actual journey to Qā’em Shahr is certainly longer, as only the direct route (as the crow flies) between Qazvin and Qā’em Shahr has been calculated here.
Air line (approximately)
257 kilometers
138 nautical miles