You might find this of help ?
UK 4 CORNERS RIDE
Visit the 4 corners of the UK in 36 hours. This ride has been recognised by the IBA as a certified ride since it was first completed in April 2008 by John Phillipson on a Honda NTV650. The Corners are as follows:
Land's End, England
St. Davids, Wales
John O'Groats, Scotland
Lowestoft, England
Note you don't necessarily have to do an End to End ride as part of this, do the 4 Corners in any order you wish. The ride has more than eight options to complete. The route is around 1400-1900 miles depending upon your starting point, as follows:
Anti clockwise
Start John O'Groats, end Lowestoft 1,475 miles
Start St David's, end John O'Groats 1,550 miles
Start Land's End, end St David's 1,896 miles
Start Lowestoft, end Land's End 1,778 miles
Clockwise
Start John O'Groats, end St David's 1,535 miles
Start Lowestoft, end John O'Groats 1,475 miles
Start Land's end Lowestoft 1,763 miles
Start St David's, end Land's End 1,882 miles
There are more options for this ride which will all be looked at. As long as all 4 corners are visited in the time allowed, go whichever way you wish.
UK 4 CORNERS Gold RIDE
Visit the 4 corners of the UK in 24 hours
This ride requires a successful completion of a SaddleSore or Bun Burner ride.
Note: TWO witnesses needed at the start and finish.
Complete official IBA Rules at:
www.ironbutt.com/ridecerts/