The calculated distance (air line) between L'Entregu/El Entrego and Bilbao is approximately 136 miles respectively 220 kilometers.
By car or train, the actual journey to Bilbao is certainly longer, as only the direct route (as the crow flies) between L'Entregu/El Entrego and Bilbao has been calculated here.
Air line (approximately)
220 kilometers
119 nautical miles