The calculated distance (air line) between As Samawah and Nahiyat Ghammas is approximately 49 miles respectively 79 kilometers.
By car or train, the actual journey to Nahiyat Ghammas is certainly longer, as only the direct route (as the crow flies) between As Samawah and Nahiyat Ghammas has been calculated here.
Air line (approximately)
79 kilometers
42 nautical miles