The calculated distance (air line) between Olho d’Água das Cunhãs and São Luís is approximately 125 miles respectively 201 kilometers.
By car or train, the actual journey to São Luís is certainly longer, as only the direct route (as the crow flies) between Olho d’Água das Cunhãs and São Luís has been calculated here.
Air line (approximately)
201 kilometers
108 nautical miles