Following the Manchester to Morecambe FNRttC in early August, treating it as a Prologue, I took the ferry from Heysham to Douglas, IoM and on to Belfast. I then spent 2 weeks riding to Malin Head, the End to End south to Mizen Head, and back via Cork and Waterford to Rosslare for the ferry to Fishguard and the train to London.
My route is at
https://ridewithgps.com//trips/18435551 Approx 1470 km, including the FNRttC, excluding the ferry, with a lot of climbing, often quite steep. Some rough road surfaces. But superb landscapes, lots of history, people talk to you!
Some photos at
https://bit.ly/2zeQZcB