The calculated distance (air line) between Shubrā al Khaymah and Sinnūris is approximately 54 miles respectively 87 kilometers.
By car or train, the actual journey to Sinnūris is certainly longer, as only the direct route (as the crow flies) between Shubrā al Khaymah and Sinnūris has been calculated here.
Air line (approximately)
87 kilometers
47 nautical miles