The road measures 8.07 miles long and would take a car obeying speed limits 13 minutes to travel its length.
The A391 is a A Road and is located in the Zone 3 Highways Region.
This is a true long-distance route, journeying through numerous towns like Lanivet, Bugle, Stenalees, Penhale, Penwithick, Carluddon, Scredda, Carclaze, Tregrehan Mills, Boscundle, and ST. AUSTELL.
The road is located entirely within Cornwall.