Live Chat AI Agent Community Castalia Iowa Traffic 2024-04-26 Roadnow Click for Real Time Traffic Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Castalia Iowa Ossian, IA 6.92 Postville, IA 9.32 Clermont, IA 13.19 Interstate highway exits close to Castalia Iowa Exit 275, i90 87.13 Exit 257, i90 88.65 Exit 2, i90 88.93 Interstate highways close to Castalia Iowa i90 map 87.13 i35 map 136.45 i94 map 137.20 State roads close to Castalia Iowa US 52 IA map 1.24 US 18 IA map 7.27 IA 51 map 8.00