The calculated distance (air line) between Sant Cugat del Vallès and Polinyà is approximately 6 miles respectively 10 kilometers.
By car or train, the actual journey to Polinyà is certainly longer, as only the direct route (as the crow flies) between Sant Cugat del Vallès and Polinyà has been calculated here.
Air line (approximately)
10 kilometers
6 nautical miles