The calculated distance (air line) between La Seu d'Urgell and Sant Cristòfol de les Fonts is approximately 55 miles respectively 88 kilometers.
By car or train, the actual journey to Sant Cristòfol de les Fonts is certainly longer, as only the direct route (as the crow flies) between La Seu d'Urgell and Sant Cristòfol de les Fonts has been calculated here.
Air line (approximately)
88 kilometers
47 nautical miles