The road measures 10.47 miles long and would take a car obeying speed limits 17 minutes to travel its length.
The B6438 is a B Road and is located in the Zone 6 Highways Region.
This is a true long-distance route, journeying through numerous towns like DUNS, EYEMOUTH, Reston, Auchencrow, Coldingham, and St. Abbs.
The road connects Berwickshire and Berwickshire.