State Route 259 (SR 259) is an east–west secondary highway that is located entirely in Sumner County in Middle Tennessee.

Route description

SR 259 begins at an intersection with US 31W/SR 41 on the Kentucky–Tennessee state line. It goes east to pass through the town of Mitchellville, before winding its way southeast through farmland to enter Oak Grove and come to an end at an intersection with SR 52.

Major intersections

The entire route is in Sumner County.

Location	mi	km	Destinations	Notes
Portland	0.0	0.0	US 31W (SR 41) – Cross Plains, Franklin, KY	Western terminus; Kentucky state line
Oak Grove	12.9	20.8	SR 52 (Highway 52 W) – Portland, Westmoreland	Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi