Bandelier National Monument
is accessed by Hwy 4, which starts in the west at an intersection with US 550, 24 miles from Bernalilo, and ends in the east at a junction with Hwy 502 near Los Alamos. The entrance to the monument is 40 miles from Santa Fe and 95 miles from Albuquerque.
PDF format maps of Bandelier National Monument, from the National Park Service:
Overview area map
Visitor Center area map