The calculated distance (air line) between Zaragoza and Santa Coloma de Gramenet is approximately 160 miles respectively 258 kilometers.
By car or train, the actual journey to Santa Coloma de Gramenet is certainly longer, as only the direct route (as the crow flies) between Zaragoza and Santa Coloma de Gramenet has been calculated here.
Air line (approximately)
258 kilometers
139 nautical miles