The calculated distance (air line) between Sant Martí de Provençals and Zaragoza is approximately 160 miles respectively 257 kilometers.
By car or train, the actual journey to Zaragoza is certainly longer, as only the direct route (as the crow flies) between Sant Martí de Provençals and Zaragoza has been calculated here.
Air line (approximately)
257 kilometers
139 nautical miles