New Underwood South Dakota Traffic 2024-11-27 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to New Underwood South Dakota Owanka, SD 16.11 mi Caputa, SD 21.50 mi Box Elder, SD 21.94 miInterstate highway exits close to New Underwood South Dakota Exit 78, i90 4.59 mi Exit 84, i90 7.14 mi Exit 88, i90 13.07 miInterstate highways close to New Underwood South Dakota i90 map 4.59 mi i25 map 253.40 mi i94 map 306.00 miState roads close to New Underwood South Dakota US 14 SD map 4.26 mi US 16 SD map 35.59 mi SD 34 map 43.29 mi