The road measures 6.20 miles long and would take a car obeying speed limits 11 minutes to travel its length.
The B5112 is a B Road and is located in the Zone 5 Highways Region.
The road passes through several towns, including Bryngwran, Trefor, Carmel, and LLANNERCH-Y-MEDD.
The road is located entirely within Gwynedd.