The calculated distance (air line) between Sant Cristòfol de les Fonts and Eixample is approximately 57 miles respectively 91 kilometers.
By car or train, the actual journey to Eixample is certainly longer, as only the direct route (as the crow flies) between Sant Cristòfol de les Fonts and Eixample has been calculated here.
Air line (approximately)
91 kilometers
49 nautical miles