The calculated distance (air line) between Encamp and La Seu d'Urgell is approximately 14 miles respectively 22 kilometers.
By car or train, the actual journey to La Seu d'Urgell is certainly longer, as only the direct route (as the crow flies) between Encamp and La Seu d'Urgell has been calculated here.
Air line (approximately)
22 kilometers
12 nautical miles