The calculated distance (air line) between Mubārak al Kabīr and Al Wafrah is approximately 39 miles respectively 63 kilometers.
By car or train, the actual journey to Al Wafrah is certainly longer, as only the direct route (as the crow flies) between Mubārak al Kabīr and Al Wafrah has been calculated here.
Air line (approximately)
63 kilometers
34 nautical miles