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