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