The calculated distance (air line) between Andorra la Vella and Sant Cristòfol de les Fonts is approximately 55 miles respectively 89 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 Andorra la Vella and Sant Cristòfol de les Fonts has been calculated here.
Air line (approximately)
89 kilometers
48 nautical miles