The calculated distance (air line) between Tarrafal de São Nicolau and Ribeira Grande is approximately 63 miles respectively 102 kilometers.
By car or train, the actual journey to Ribeira Grande is certainly longer, as only the direct route (as the crow flies) between Tarrafal de São Nicolau and Ribeira Grande has been calculated here.
Air line (approximately)
102 kilometers
55 nautical miles