The calculated distance (air line) between Akureyri and Reykjanesbær is approximately 176 miles respectively 282 kilometers.
By car or train, the actual journey to Reykjanesbær is certainly longer, as only the direct route (as the crow flies) between Akureyri and Reykjanesbær has been calculated here.
Air line (approximately)
282 kilometers
152 nautical miles