The calculated distance (air line) between Montmeló and Santa Coloma de Gramenet is approximately 7 miles respectively 11 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 Montmeló and Santa Coloma de Gramenet has been calculated here.
Air line (approximately)
11 kilometers
6 nautical miles