The calculated distance (air line) between Tumaco and San Lorenzo de Esmeraldas is approximately 35 miles respectively 56 kilometers.
By car or train, the actual journey to San Lorenzo de Esmeraldas is certainly longer, as only the direct route (as the crow flies) between Tumaco and San Lorenzo de Esmeraldas has been calculated here.
Air line (approximately)
56 kilometers
30 nautical miles