The calculated distance (air line) between Tikrīt and Aş Şuwayrah is approximately 133 miles respectively 214 kilometers.
By car or train, the actual journey to Aş Şuwayrah is certainly longer, as only the direct route (as the crow flies) between Tikrīt and Aş Şuwayrah has been calculated here.
Air line (approximately)
214 kilometers
115 nautical miles