From Subway:
From Penn Station/PATH Station, take any northbound subway train one stop to 42^nd St. and walk to 45^th St. If you walk up from the subway to 6^th Avenue, make a left onto 45^th St. If you walk up from the subway to 7^th Avenue, make a right onto 45^th St.

Walking:
From Penn Station/PATH station, walk 11 blocks north on 6th or 7^th Avenues. Turn onto 45^th St. From 6^th Avenue, make a left onto 45^th St. From 7^th Avenue, make a right onto 45^th St.

From Grand Central Station, walk 2 blocks west on 42^nd St to 6^th Ave and make a right. Walk 3 blocks north and make a left onto 45^th St.

From Port Authority, walk 2 blocks east on 42^nd St to 6^th Avenue. Make a left onto 6^th Avenue, walk 3 blocks and make a left onto 45^th St.