How many miles is walking in NYC from grand central station to o east 77 street and 1st avenue?

Walking from Grand Central Station to East 77th Street and 1st Avenue in New York City is approximately 1.7 miles (2.7 kilometers). The route involves heading east on 42nd Street, turning left onto Park Avenue, and then continuing north on Park Avenue until reaching East 77th Street. From East 77th Street, it's a short walk east to 1st Avenue.