The Empire State Bldg Observatory is located right in the heart of Midtown on 34th Street. There are a few subway stops in the vicinity, the closest one is "
34th Street / Herald Square" (N, R, Q, W yellow line + B, D, F & M orange line.) The Observation Deck is also within walking distance from/to major Hotels located around the Midtown/Theater District area. Lastly, you may also reach the departure point by Taxi/Uber/Lyft by providing the complete address –
20 W 34th St, New York, NY 10001.