The calculated distance (air line) between Musaffah and Khawr Fakkān is approximately 135 miles respectively 217 kilometers.
By car or train, the actual journey to Khawr Fakkān is certainly longer, as only the direct route (as the crow flies) between Musaffah and Khawr Fakkān has been calculated here.
Air line (approximately)
217 kilometers
117 nautical miles