Live Chat I-15 Community Nearby Traffic Walnut Grove Park (Landuse grass) 2024-05-14 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Walnut Grove Park (Landuse Grass) San Marcos, CA 8.13 San Diego, CA 9.99 Poway, CA 15.16 Interstate highway exits close to Walnut Grove Park (Landuse Grass) Exit 29, i15 1.95 Exit 30, i15 2.23 Exit 31, i15 2.80 Interstate highways close to Walnut Grove Park (Landuse Grass) i15 map 1.95 i5 map 21.03 i805ca map 26.69 State roads close to Walnut Grove Park (Landuse Grass) CA 78 map 1.43 CA CR S6 map 1.81 CA CR S14 map 3.02