The road measures 59.09 miles long and would take a car obeying speed limits 1 hours and 39 minutes to travel its length.
The A390 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 Blackwater, Chacewater, Threemilestone, TRURO, Treliske, Gloweth, St. Clement, Tresillian, Probus, Grampound Road, Grampound, Hewas Water, Sticker, Trelowth, St. Mewan, ST. AUSTELL, Boscundle, PAR, St. Blazey Gate, St. Blazey, Kilhallon, Tywardreath Highway, Pontsmill, Porcupine, Penpillick, LOSTWITHIEL, Downend, Fairy Cross, West Taphouse, Braddock, Mid Taphouse, East Taphouse, Treburgie Water, Dobwalls, LISKEARD, Merrymeet, St. Ive, CALLINGTON, Newbridge, Kit Hill, Sevenstones, St. Anns Chapel, GUNNISLAKE, Drakewalls, Gulworthy, Lumburn, and TAVISTOCK.
The road connects Cornwall and Devon.