Land's End to John-o-Groats is 837 miles
Cuba is about 795 miles long from one end to end.
There are about 32.1 miles from one end of Calgary to the other end.
3000
24906 miles xD
300
5.3 miles
East-West, roughly ten miles North-South, roughly thirty miles
Lands End to Alnwick (last place before Scotland) would be about 500 miles
96,906.566 miles
In 1989-1990, Will Steger led an expedition to walk from one end of Antarctica to the other, and the trek covered about 3,700 miles. You can read more about this trek, below.
one mile
About 500 miles from one state line to the other.