The calculated distance (air line) between Terrassa and Santa Coloma de Gramenet is approximately 13 miles respectively 20 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 Terrassa and Santa Coloma de Gramenet has been calculated here.
Air line (approximately)
20 kilometers
11 nautical miles