The calculated distance (air line) between Tādif and Khān Shaykhūn is approximately 80 miles respectively 128 kilometers.
By car or train, the actual journey to Khān Shaykhūn is certainly longer, as only the direct route (as the crow flies) between Tādif and Khān Shaykhūn has been calculated here.
Air line (approximately)
128 kilometers
69 nautical miles