Live Chat I-15 Community Nearby Traffic John Adams Post Office (Amenity postoffice) 2024-05-14 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to John Adams Post Office (Amenity Postoffice) Coronado, CA 4.25 National City, CA 8.49 Lemon Grove, CA 12.15 Interstate highway exits close to John Adams Post Office (Amenity Postoffice) Exit 16b, i5 0.49 Exit 16a, i5 0.81 Exit 17a, i5 0.94 Interstate highways close to John Adams Post Office (Amenity Postoffice) i5 map 0.49 i15 map 4.17 i8 map 4.77 State roads close to John Adams Post Office (Amenity Postoffice) 163 SOUTHBOUND map 0.64 163 NORTHBOUND map 0.72 94 WESTBOUND map 1.46