The calculated distance (air line) between Ar Rām wa Ḑāḩiyat al Barīd and Qalqīlyah is approximately 28 miles respectively 45 kilometers.
By car or train, the actual journey to Qalqīlyah is certainly longer, as only the direct route (as the crow flies) between Ar Rām wa Ḑāḩiyat al Barīd and Qalqīlyah has been calculated here.
Air line (approximately)
45 kilometers
24 nautical miles