The calculated distance (air line) between Egilsstaðir and Sauðárkrókur is approximately 154 miles respectively 248 kilometers.
By car or train, the actual journey to Sauðárkrókur is certainly longer, as only the direct route (as the crow flies) between Egilsstaðir and Sauðárkrókur has been calculated here.
Air line (approximately)
248 kilometers
134 nautical miles