The calculated distance (air line) between Dayr al Ghuşūn and Qalqīlyah is approximately 13 miles respectively 21 kilometers.
By car or train, the actual journey to Qalqīlyah is certainly longer, as only the direct route (as the crow flies) between Dayr al Ghuşūn and Qalqīlyah has been calculated here.
Air line (approximately)
21 kilometers
11 nautical miles