The calculated distance (air line) between Tarrafal de São Nicolau and Assomada is approximately 111 miles respectively 178 kilometers.
By car or train, the actual journey to Assomada is certainly longer, as only the direct route (as the crow flies) between Tarrafal de São Nicolau and Assomada has been calculated here.
Air line (approximately)
178 kilometers
96 nautical miles