The calculated distance (air line) between Ḩamāh and Ath Thawrah is approximately 112 miles respectively 180 kilometers.
By car or train, the actual journey to Ath Thawrah is certainly longer, as only the direct route (as the crow flies) between Ḩamāh and Ath Thawrah has been calculated here.
Air line (approximately)
180 kilometers
97 nautical miles