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