The road measures 30.54 miles long and would take a car obeying speed limits 56 minutes to travel its length.
The B3165 is a B Road and is located in the Zone 3 Highways Region.
This is a true long-distance route, journeying through numerous towns like LYME REGIS, Uplyme, AXMINSTER, Blackpool Corner, Hawkchurch, Marshwood, Blackdown, Kittwhistle, Horn Ash, Oathill, Clapton, Wayford, CREWKERNE, Bower Hinton, MARTOCK, Hurst, Stapleton, Long Load, Long Sutton, and SOMERTON.
The road passes through several counties, including Dorset, Devon, Somerset, and Surrey.