The calculated distance (air line) between Otavalo and Santo Domingo de los Colorados is approximately 72 miles respectively 115 kilometers.
By car or train, the actual journey to Santo Domingo de los Colorados is certainly longer, as only the direct route (as the crow flies) between Otavalo and Santo Domingo de los Colorados has been calculated here.
Air line (approximately)
115 kilometers
62 nautical miles