The calculated distance (air line) between Las Palmas de Gran Canaria and La Laguna is approximately 61 miles respectively 99 kilometers.
By car or train, the actual journey to La Laguna is certainly longer, as only the direct route (as the crow flies) between Las Palmas de Gran Canaria and La Laguna has been calculated here.
Air line (approximately)
99 kilometers
53 nautical miles