The calculated distance (air line) between Inkhil and Khān Shaykhūn is approximately 170 miles respectively 274 kilometers.
By car or train, the actual journey to Khān Shaykhūn is certainly longer, as only the direct route (as the crow flies) between Inkhil and Khān Shaykhūn has been calculated here.
Air line (approximately)
274 kilometers
148 nautical miles