Land's End to John o' Groats

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. The traditional distance by road is 874 miles (1,407 km) and takes most cyclists ten to fourteen days; the record for running the route is nine days. Off-road walkers typically walk about 1,200 miles (1,900 km) and take two or three months for the expedition. Two much-photographed signposts indicate the traditional distance at each end.

The straight-line distance from Land's End to John o' Groats is 603 miles (970 km) as determined from O.S. Grid References, but such a route passes over a series of stretches of water in the Irish Sea.

According to a 1964 road atlas, the shortest route using classified roads was 847 miles (1,363 km) but in a 2008 road atlas, the shortest route using classified roads was 838 miles (1,349 km). An online route planner in 2011 also calculated the quickest route by road as 838 miles (1,349 km), estimating a time of 15 hours 48 minutes for the journey (this uses the A30, M5, M6, A74(M), M74, M73, M80, M9, A9 & A99) but the overall shortest route by road, using minor roads in numerous places and utilising modern bridges, is only about 814 miles (1,310 km). This route is roughly as follows: Land's End, Bodmin, Okehampton, Tiverton, Taunton, Bridgwater, the M5 Avon Bridge, the M48 Severn Bridge, Monmouth, Hereford, Shrewsbury, Tarporley, St Helens, Preston, Carlisle, , Carstairs, Whitburn, Falkirk, Stirling, Crieff, Kenmore, Dalchalloch, A9, Inverness, Kessock Bridge, Cromarty Bridge, Dornoch Firth Bridge, Latheron, Wick, John o' Groats.

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