Live Chat I-15 Community Nearby Traffic San Marcos (Poi place town) 2024-05-31 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to San Marcos (Poi Place Town) Escondido, CA 6.91 Vista, CA 7.85 Carlsbad, CA 8.36 Interstate highway exits close to San Marcos (Poi Place Town) Exit 33, i15 6.23 Exit 34, i15 6.43 Exit 32, i15 6.48 Interstate highways close to San Marcos (Poi Place Town) i15 map 6.23 i5 map 13.61 i805ca map 27.19 State roads close to San Marcos (Poi Place Town) CA CR S14 map 0.06 CA CR S12 map 0.60 CA 78 map 0.90