on foot , also: afoot old-fashioned
by foot

And the new work would be large, six by eight feet.

Each stand should take up no more than 10 by 4 feet of space.

Then she went out and beat everyone by 13 feet.

None of them was out by more than a few feet.

To see them all would take weeks in a car, let alone by foot.

The main body of the building measures 76 by 100 feet.

They appeared to be higher by 300 or 400 feet to the west than to the east.

The area George stood in was clean, probably well used by feet.

But he loved to have the child near him, playing by his feet.

I started toward him, and saw that a real dog sat by his feet.