The calculated distance (air line) between Al Musayyib and Al Ḩayy is approximately 110 miles respectively 178 kilometers.
By car or train, the actual journey to Al Ḩayy is certainly longer, as only the direct route (as the crow flies) between Al Musayyib and Al Ḩayy has been calculated here.
Air line (approximately)
178 kilometers
96 nautical miles