The calculated distance (air line) between Al Fāw and Al Faḩāḩīl is approximately 65 miles respectively 105 kilometers.
By car or train, the actual journey to Al Faḩāḩīl is certainly longer, as only the direct route (as the crow flies) between Al Fāw and Al Faḩāḩīl has been calculated here.
Air line (approximately)
105 kilometers
56 nautical miles