The calculated distance (air line) between Al Manāmah and Khawr Fakkān is approximately 20 miles respectively 32 kilometers.
By car or train, the actual journey to Khawr Fakkān is certainly longer, as only the direct route (as the crow flies) between Al Manāmah and Khawr Fakkān has been calculated here.
Air line (approximately)
32 kilometers
17 nautical miles