Originally Posted by
HWGeeks
A21 to B22 is like a 5 to 10 minute walk depending your pace. They have a jitney but I don't think it's worth taking as it would probably take you longer to ride around.
Cool - thanks for the info. The maps that I see show A1-A8 and have direct access to the rest of Terminal 4 and then a gray area that appears to contain A9-A21 which seem to be on a lower level.