R440 road
Bóthar R440
Crossing the Slieve Bloom Mountains
Route information
Length	36 km (22 mi)
Location
Country	Ireland
Primary destinations	County Offaly Birr – leave the N62 passing Birr Castle Demense Killyon Joins the R421 Kinnitty – leaves the R421 Slieve Bloom Mountains County Laois Drimmo Mountrath – terminates at the R423 near the R423/R445 junction
Highway system
Roads in Ireland Motorways Primary Secondary Regional

The R440 road is a regional road in Ireland linking Birr, County Offaly and Mountrath, County Laois. It passes through the village of Kinnity, County Offaly and from there climbs to the watershed of the Slieve Bloom Mountains north of Stillbrook Hill, crossing at an elevation of 1,503 feet (458 m) into County Laois on the plateau and descending to Mountrath.

The road is 36 km (22 mi) long.