Walking directions to the hotel from the meto stations:

Foggy Bottom station (I and 23rd NW): walk one block east to 22nd
street, then walk north about 3 blocks to New Hampshire Ave. Take a right
on New Hampshire Ave. The Wyndham will be on your right just after the
Best Western. see map at link above.

Dupont Circle (South exit): walk one block south to N Street. Take a
right onto N Street. Walk two blocks west to New Hampshire Ave. Take a
left onto New Hampshire Ave and walk approx. two blocks south. You will
see the Wyndham on your left at the intersection of New Hampshire and M
street. see map link above.