The calculated distance (air line) between Montalvo and Santo Domingo de los Colorados is approximately 106 miles respectively 171 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 Montalvo and Santo Domingo de los Colorados has been calculated here.
Air line (approximately)
171 kilometers
92 nautical miles