The road measures 12.87 miles long and would take a car obeying speed limits 25 minutes to travel its length.
The B4327 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 Dale, Marloes, St. Brides, St. Ishmaels, Hasguard, Hasguard Cross, Walwyns Castle, Dreenhill, and HAVERFORDWEST.
The road is located entirely within Dyfed.