The calculated distance (air line) between Las Palmas de Gran Canaria and Gáldar is approximately 15 miles respectively 24 kilometers.
By car or train, the actual journey to Gáldar is certainly longer, as only the direct route (as the crow flies) between Las Palmas de Gran Canaria and Gáldar has been calculated here.
Air line (approximately)
24 kilometers
13 nautical miles