The calculated distance (air line) between Galapagar and Fuencarral-El Pardo is approximately 15 miles respectively 25 kilometers.
By car or train, the actual journey to Fuencarral-El Pardo is certainly longer, as only the direct route (as the crow flies) between Galapagar and Fuencarral-El Pardo has been calculated here.
Air line (approximately)
25 kilometers
13 nautical miles