The calculated distance (air line) between Tona and Santa Coloma de Farners is approximately 23 miles respectively 36 kilometers.
By car or train, the actual journey to Santa Coloma de Farners is certainly longer, as only the direct route (as the crow flies) between Tona and Santa Coloma de Farners has been calculated here.
Air line (approximately)
36 kilometers
20 nautical miles