The calculated distance (air line) between Al Khafjī and Mubārak al Kabīr is approximately 57 miles respectively 92 kilometers.
By car or train, the actual journey to Mubārak al Kabīr is certainly longer, as only the direct route (as the crow flies) between Al Khafjī and Mubārak al Kabīr has been calculated here.
Air line (approximately)
92 kilometers
50 nautical miles