24906 miles xD
Calgary has a width of about 22 miles from east to west and a length of about 19 miles from north to south, making the distance from one end to the other approximately 22 miles.
Cuba is about 795 miles long from one end to end.
3000
Land's End to John-o-Groats is 837 miles
300
East-West, roughly ten miles North-South, roughly thirty miles
Lands End to Alnwick (last place before Scotland) would be about 500 miles
5.3 miles
50000 is not as much as the earth. So 0
The earth is [approximately] spherical and, as a result, it has no ends!
182 miles end to end
94.7 miles