The calculated distance (air line) between Malkā and Ḩayy al Quwaysimah is approximately 54 miles respectively 87 kilometers.
By car or train, the actual journey to Ḩayy al Quwaysimah is certainly longer, as only the direct route (as the crow flies) between Malkā and Ḩayy al Quwaysimah has been calculated here.
Air line (approximately)
87 kilometers
47 nautical miles