Live Chat I-5 Community Nearby Traffic Thornton Post Office (Amenity postoffice) 2024-05-21 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Thornton Post Office (Amenity Postoffice) Walnut Grove, CA 10.98 Ryde, CA 11.21 Galt, CA 13.22 Interstate highway exits close to Thornton Post Office (Amenity Postoffice) Exit 493, i5 0.89 Exit 490, i5 5.38 Exit 498, i5 6.37 Interstate highways close to Thornton Post Office (Amenity Postoffice) i5 map 0.89 i80 map 40.03 i505ca map 47.73 State roads close to Thornton Post Office (Amenity Postoffice) CA CR J11 map 0.66 CA CR J8 map 1.07 CA CR E13 map 6.27