The calculated distance (air line) between Sighetu Marmaţiei and Iaşi is approximately 181 miles respectively 291 kilometers.
By car or train, the actual journey to Iaşi is certainly longer, as only the direct route (as the crow flies) between Sighetu Marmaţiei and Iaşi has been calculated here.
Air line (approximately)
291 kilometers
157 nautical miles