Chat Report Accident Traffic Costa Mesa Traffic 2024-12-06 Roadnow Click for Real Time Traffic Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Costa Mesa Santa Ana, CA 5.23 mi Fountain Valley, CA 5.63 mi Newport Beach, CA 5.68 mi Interstate highway exits close to Costa Mesa Exit 11a, i405ca 1.19 mi Exit 10, i405ca 1.44 mi Exit 11b, i405ca 1.69 mi Interstate highways close to Costa Mesa i405ca map 1.19 mi i5 map 9.88 mi i605ca map 20.77 mi State roads close to Costa Mesa 73 SOUTHBOUND map 1.18 mi 73 NORTHBOUND map 1.43 mi 55 NORTHBOUND map 1.81 mi