This year managed to do NW England to Le Mans 24h + Classic .... 2 good runs with no roof on both occasions carrying a tent & sleeping bag and gear.
From the tunnel its 4 hours and Zeebrugge its 6 hours ...not the longest journey in the world.
Only time we put the hood up was in the hotel car park in case of rain which never happened just 35 deg heat !never felt hot in the Mog , just wear a flat cap !