The road measures 19.07 miles long and would take a car obeying speed limits 38 minutes to travel its length.
The A639 is a A Road and is located in the Zone 6 Highways Region.
This is a true long-distance route, journeying through numerous towns like Hunslet, LEEDS, Rothwell, Woodlesford, Oulton, Methley, Whitwood Mere, CASTLEFORD, Featherstone, PONTEFRACT, East Hardwick, and Thorpe Audlin.
The road connects West Yorkshire and West Yorkshire.