The calculated distance (air line) between Garachico and Las Palmas de Gran Canaria is approximately 84 miles respectively 136 kilometers.
By car or train, the actual journey to Las Palmas de Gran Canaria is certainly longer, as only the direct route (as the crow flies) between Garachico and Las Palmas de Gran Canaria has been calculated here.
Air line (approximately)
136 kilometers
73 nautical miles