The calculated distance (air line) between São Luís and São Mateus do Maranhão is approximately 105 miles respectively 169 kilometers.
By car or train, the actual journey to São Mateus do Maranhão is certainly longer, as only the direct route (as the crow flies) between São Luís and São Mateus do Maranhão has been calculated here.
Air line (approximately)
169 kilometers
91 nautical miles