range over (something or some place)
To move, travel, or search over a large area or place. You can let your animals range over the pasture behind my grandfather's cabin. We ranged over the many acres, keeping watch for bandits and wolves.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
range over something
to cover an area; to travel about in one area. The buffalo ranged over vast areas of prairie, grazing and breeding. These animals range over a very large territory.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.