The calculated distance (air line) between As Samawah and Al Miqdādīyah is approximately 184 miles respectively 296 kilometers.
By car or train, the actual journey to Al Miqdādīyah is certainly longer, as only the direct route (as the crow flies) between As Samawah and Al Miqdādīyah has been calculated here.
Air line (approximately)
296 kilometers
160 nautical miles