The calculated distance (air line) between Güimar and San Juan de la Rambla is approximately 16 miles respectively 25 kilometers.
By car or train, the actual journey to San Juan de la Rambla is certainly longer, as only the direct route (as the crow flies) between Güimar and San Juan de la Rambla has been calculated here.
Air line (approximately)
25 kilometers
13 nautical miles