The end result was a mostly level stretch of dirt, devoid of any natural character.

Ah, here's a more level stretch.

They reached a fairly level stretch of coral, pocked with holes and gullies not more than a few centimeters deep.

There is characteristic type of Mendip cave, in which there is an initially steep descent, and then a more level stretch ending in a "sump" as the cave reaches and descends below the prevailing water table.

The vehicle was on a fairly level stretch of pavement.

Once they were at a more level stretch, she said, "Promise you won't leave again until... until after the baby's come."

Bowls of different sizes, hillocks, crags, no two of them eroded the same way, turned its otherwise level stretch into a surreal maze.

The Kid was so sleepy, and so tired that he almost fell out of the saddle once when Silver, who had been loping easily across a fairly level stretch of ground, slowed abruptly to negotiate a washout crossing.

When we reached it the aeroplane was circling again, while Ramses tried to get donkeys, carts, camels, and people off a relatively level stretch.

This had provided the wagon with a good flying start on a fairly level stretch of road.