The road measures 21.17 miles long and would take a car obeying speed limits 38 minutes to travel its length.
The B4297 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 Llanarthney, Dryslwyn, LLANELLI, Bynea, Bryn, Llangennech, Maesybont, Gorslas, Penygroes, AMMANFORD, Tycroes, Pontarddulais, and Capel Hendre.
The road connects Dyfed and Dyfed.