The calculated distance (air line) between Al Bāb and Ath Thawrah is approximately 68 miles respectively 110 kilometers.
By car or train, the actual journey to Ath Thawrah is certainly longer, as only the direct route (as the crow flies) between Al Bāb and Ath Thawrah has been calculated here.
Air line (approximately)
110 kilometers
59 nautical miles