The calculated distance (air line) between Sant Feliu de Llobregat and Santa Coloma de Gramenet is approximately 9 miles respectively 15 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 Sant Feliu de Llobregat and Santa Coloma de Gramenet has been calculated here.
Air line (approximately)
15 kilometers
8 nautical miles