The calculated distance (air line) between Gijón and L'Entregu/El Entrego is approximately 17 miles respectively 28 kilometers.
By car or train, the actual journey to L'Entregu/El Entrego is certainly longer, as only the direct route (as the crow flies) between Gijón and L'Entregu/El Entrego has been calculated here.
Air line (approximately)
28 kilometers
15 nautical miles