Convenient downtown san diego retreat airport convenience the red roof inn san diego is located 2 miles from san diego international airport and a half mile from downtown balboa park is only 15 miles away while the fun at seaworld san diego is a mere 6 miles from the hotel shop til you drop for fun within walking distance the historic gaslamp quarter is located less than 1 mile away the heart of san diegos nightlife this area features trendy shopping including westfield horton plaza ma