Ethan South Dakota Traffic 2024-12-02 Roadnow Click for Real Time Traffic Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Ethan South Dakota Dimock, SD 8.66 mi Parkston, SD 18.08 mi Mitchell, SD 18.24 miInterstate highway exits close to Ethan South Dakota Exit 332, i90 15.86 mi Exit 330, i90 16.26 mi Exit 335, i90 16.66 miInterstate highways close to Ethan South Dakota i90 map 15.86 mi i29 map 97.35 mi i229sd map 97.40 miState roads close to Ethan South Dakota US 281 SD map 33.82 mi US 18 SD map 34.44 mi US 81 SD map 46.99 mi