Oacoma South Dakota Traffic 2024-11-15 Roadnow Click for Real Time Traffic Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Oacoma South Dakota Chamberlain, SD 7.80 mi Reliance, SD 15.39 mi Pukwana, SD 19.21 miInterstate highway exits close to Oacoma South Dakota Exit 260, i90 1.04 mi Exit 263, i90 3.88 mi Exit 265, i90 7.42 miInterstate highways close to Oacoma South Dakota i90 map 1.04 mi i29 map 209.38 mi i229sd map 211.92 miState roads close to Oacoma South Dakota SD 34 map 30.09 mi US 183 SD map 53.72 mi US 18 SD map 64.89 mi