The road measures 7.62 miles long and would take a car obeying speed limits 18 minutes to travel its length.
The B258 is a B Road and is located in the Zone 2 Highways Region.
This is a true long-distance route, journeying through numerous towns like ORPINGTON, SWANLEY, Crockenhill, Hextable, and DARTFORD.
The road connects Greater London and Kent.