Chat Report Accident Traffic San Marcos Traffic 2024-12-14 Roadnow Click for Real Time Traffic Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to San Marcos Escondido, CA 6.91 mi Vista, CA 7.85 mi Carlsbad, CA 8.36 mi Interstate highway exits close to San Marcos Exit 33, i15 6.23 mi Exit 34, i15 6.43 mi Exit 32, i15 6.48 mi Interstate highways close to San Marcos i15 map 6.23 mi i5 map 13.61 mi i805ca map 27.19 mi State roads close to San Marcos CA CR S14 map 0.06 mi CA CR S12 map 0.60 mi CA 78 map 0.90 mi