Seneca South Dakota Traffic 2024-11-06 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Seneca South Dakota Lebanon, SD 21.12 mi Onaka, SD 21.59 mi Tolstoy, SD 24.59 miInterstate highway exits close to Seneca South Dakota Exit 235, i90 128.50 mi Exit 241, i90 128.75 mi Exit 248, i90 128.92 miInterstate highways close to Seneca South Dakota i90 map 128.50 mi i29 map 192.48 mi i94 map 206.27 miState roads close to Seneca South Dakota US 212 SD map 4.09 mi US 83 SD map 44.13 mi US 12 SD map 47.63 mi