The calculated distance (air line) between Arroyo de la Encomienda and Bilbao is approximately 149 miles respectively 240 kilometers.
By car or train, the actual journey to Bilbao is certainly longer, as only the direct route (as the crow flies) between Arroyo de la Encomienda and Bilbao has been calculated here.
Air line (approximately)
240 kilometers
129 nautical miles