The road measures 13.58 miles long and would take a car obeying speed limits 22 minutes to travel its length.
The B4330 is a B Road and is located in the Zone 4 Highways Region.
This is a true long-distance route, journeying through numerous towns like Croesgoch, Mathry, Hayscastle, Camrose, and HAVERFORDWEST.
The road is located entirely within Dyfed.