The calculated distance (air line) between ‘Anat al Qadīmah and Sīnah is approximately 173 miles respectively 278 kilometers.
By car or train, the actual journey to Sīnah is certainly longer, as only the direct route (as the crow flies) between ‘Anat al Qadīmah and Sīnah has been calculated here.
Air line (approximately)
278 kilometers
150 nautical miles