The calculated distance (air line) between Mosul and Beytüşşebap is approximately 85 miles respectively 137 kilometers.
By car or train, the actual journey to Beytüşşebap is certainly longer, as only the direct route (as the crow flies) between Mosul and Beytüşşebap has been calculated here.
Air line (approximately)
137 kilometers
74 nautical miles