The road measures 20.26 miles long and would take a car obeying speed limits 41 minutes to travel its length.
The A4119 is a A Road and is located in the Zone 4 Highways Region.
This is a true long-distance route, journeying through numerous towns like TONYPANDY, Williamstown, Penrhiwfer, Tonyrefail, Ynysmaerdy, Llantrisant, Talbot Green, Mwyndy, Miskin, Capel Llanilltern, St. Fagans, Radyr, CARDIFF, and Groesfaen.
The road connects Mid Glamorgan and South Glamorgan.