easiest option would be to pedal from John o Groats to Thurso and grab the train there which is 20 miles, or alternatively it's 50 miles down to Helmsdale. More food and hotel options at Thurso though.
20-50mi sounds easy enough.
This might not happen but I figured after pulling the pin on LEJOG and LEL I could trick the monkey on my back by getting the train to Edinburgh and THEN riding north :)
easiest option would be to pedal from John o Groats to Thurso and grab the train there which is 20 miles, or alternatively it's 50 miles down to Helmsdale. More food and hotel options at Thurso though.