The calculated distance (air line) between Al Mawşil al Jadīdah and Tikrīt is approximately 123 miles respectively 198 kilometers.
By car or train, the actual journey to Tikrīt is certainly longer, as only the direct route (as the crow flies) between Al Mawşil al Jadīdah and Tikrīt has been calculated here.
Air line (approximately)
198 kilometers
107 nautical miles