Cross country over Devon and Cornwall is a great way to go but surprisingly slow. I arrived ta my destination near Penzance at 4pm, six hours after starting but having negotiated a ford, with enough water to get my feet wet, and countless tractors engaged in a wide range of rural pursuits, mostly a game called 'stop the traffic and enrage the motorists'. You need to get good and safe at overtaking, it's amazing the risks some bikers are willing to take.
Dinner is fresh fish at The Atlantic Inn in nearby Porthleven. Noisy as the pub is chocka, very good though.