The calculated distance (air line) between Teresina and São Domingos do Maranhão is approximately 114 miles respectively 183 kilometers.
By car or train, the actual journey to São Domingos do Maranhão is certainly longer, as only the direct route (as the crow flies) between Teresina and São Domingos do Maranhão has been calculated here.
Air line (approximately)
183 kilometers
99 nautical miles