The calculated distance (air line) between Lomas de Sargentillo and Portoviejo is approximately 63 miles respectively 101 kilometers.
By car or train, the actual journey to Portoviejo is certainly longer, as only the direct route (as the crow flies) between Lomas de Sargentillo and Portoviejo has been calculated here.
Air line (approximately)
101 kilometers
54 nautical miles