The calculated distance (air line) between Boca Suno and Santo Domingo de los Colorados is approximately 144 miles respectively 232 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 Boca Suno and Santo Domingo de los Colorados has been calculated here.
Air line (approximately)
232 kilometers
125 nautical miles