the Red for Heart campaign  - http://www.bhf.org.uk/heart-matters-online/december-january-2011-2012/latest-news/go-red-in-february.aspx   Land's End to John o' Groats is the traversal of the whole length of the island of Great Britain between two extremities; in the southwest and northeast. According to an on-line route planner of 2011, the quickest route by road was 838 miles (1,349 km)