The calculated distance (air line) between Az̧ Z̧āhirīyah and Qalqīlyah is approximately 54 miles respectively 87 kilometers.
By car or train, the actual journey to Qalqīlyah is certainly longer, as only the direct route (as the crow flies) between Az̧ Z̧āhirīyah and Qalqīlyah has been calculated here.
Air line (approximately)
87 kilometers
47 nautical miles