Live Chat I-5 Community Nearby Traffic CA CR 21 2024-04-30 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to CA CR 21 Vista, CA 2.25 Oceanside, CA 4.44 San Marcos, CA 8.36 Interstate highway exits close to CA CR 21 Exit 41, i15 9.54 Exit 37, i15 10.13 Exit 50, i5 10.75 Interstate highways close to CA CR 21 i15 map 9.54 i5 map 10.75 i805ca map 32.65 State roads close to CA CR 21 CA CR S14 map 0.40 CA CR S13 map 0.81 CA 78 map 1.06