The calculated distance (air line) between el Besòs i el Maresme and Sabadell is approximately 11 miles respectively 17 kilometers.
By car or train, the actual journey to Sabadell is certainly longer, as only the direct route (as the crow flies) between el Besòs i el Maresme and Sabadell has been calculated here.
Air line (approximately)
17 kilometers
9 nautical miles