The calculated distance (air line) between Karaj and Qā’em Shahr is approximately 113 miles respectively 182 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 Karaj and Qā’em Shahr has been calculated here.
Air line (approximately)
182 kilometers
98 nautical miles