The calculated distance (air line) between Ath Thawrah and Khān Shaykhūn is approximately 110 miles respectively 177 kilometers.
By car or train, the actual journey to Khān Shaykhūn is certainly longer, as only the direct route (as the crow flies) between Ath Thawrah and Khān Shaykhūn has been calculated here.
Air line (approximately)
177 kilometers
96 nautical miles