The calculated distance (air line) between Olot and Santa Cristina d'Aro is approximately 36 miles respectively 58 kilometers.
By car or train, the actual journey to Santa Cristina d'Aro is certainly longer, as only the direct route (as the crow flies) between Olot and Santa Cristina d'Aro has been calculated here.
Air line (approximately)
58 kilometers
32 nautical miles