That was the only way he would ever estimate distance.

David estimated the distance to be, perhaps, a hundred feet.

There was no way that the Agent could estimate the distance in the dark.

He gave them a glance, then estimated the distance to the pass.

She glanced over her shoulder and estimated the distance to the street.

He estimated the distance from the first plateau to be at least three miles.

Now he estimated the distance they had moved south.

She tried to estimate the distance and decided it was a day's carriage ride.

He ran toward the truck, estimating the distance they must cover before the black wall reached them.

Kate tried to estimate the distance they would have to crawl.