I'd been pondering this for a few weeks and discussed the option with a couple of people. Rather than the usual Bridlington and Filey routes, I thought it would be a nice change to try Flamborough Head.
According to Google, there's a sizable cafe at the lighthouse (Headlands Cafe), replete with outdoor seating and what appear to be excellent views.
168Km / 104 miles square to square.
Given the potential for a wet start, fenders are recommended

View and download the route at RidewithGPS or click the map.
