The calculated distance (air line) between As Safīrah and ‘Irbīn is approximately 185 miles respectively 297 kilometers.
By car or train, the actual journey to ‘Irbīn is certainly longer, as only the direct route (as the crow flies) between As Safīrah and ‘Irbīn has been calculated here.
Air line (approximately)
297 kilometers
160 nautical miles