South Prairie Washington Traffic 2024-11-29 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to South Prairie Washington Buckley, WA 3.96 mi Wilkeson, WA 5.39 mi La Grande, WA 8.11 miInterstate highway exits close to South Prairie Washington Exit 137, i5 22.66 mi Exit 142b a, i5 23.06 mi Exit 136b a, i5 24.58 miInterstate highways close to South Prairie Washington i5 map 22.19 mi i405wa map 37.78 mi i90 map 44.28 miState roads close to South Prairie Washington WA 410 map 2.82 mi WA 512 map 14.92 mi WA 522 map 62.83 mi