A dozen steps, perhaps, and he came to a sudden stop.
He had to make a conscious effort to take the last dozen steps to the door.
He kept running for another half dozen steps before his body realized it was no longer receiving signals from the brain.
It was an effort to make myself turn, to hobble the dozen steps back to her.
Then came two dozen steps away from the corner.
A dozen steps in and the Procks would have us!
Half a dozen steps brought him to the bedside.
Not far - a dozen steps should do, if you lie flat on them.
They hadn't gone down a dozen steps before the captors stopped.
Half a dozen steps was all it took to convince her.