The calculated distance (air line) between L'Hospitalet de Llobregat and Santa Coloma de Gramenet is approximately 8 miles respectively 14 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 L'Hospitalet de Llobregat and Santa Coloma de Gramenet has been calculated here.
Air line (approximately)
14 kilometers
7 nautical miles