First, the commonly used directional words when asking for directions
East east, south southwest, west west, north north, left, right, go straight, there, front, back, side, front, back, first left/right, first left/right.
2. How can I get there? ...
Excuse me, how can I get to ... How can I get to ...?
How do I get to the airport? How do I get to the airport?
How do I get to the bus stop? How can I get to the bus stop?
How can I get to the subway station? How can I get to the subway station? (Metro is a common word in Europe)
How can I get to the subway station? How can I get to the subway station? (Subway is a common word in North America)
How can I get to the subway station? How can I get to the subway station? (Underground is a common word in Britain)