Why is a mile a mile?

Related questions

1. Is a yard longer than a mile?
2. Is Train surfing illegal?
3. Does the UK use miles?
4. Why do trains have engines on both ends?
5. How many feet are in a mile meme?
6. Is swimming a mile good?
7. How long can a train be legally?
8. How do you figure cubic feet?
9. Can trains be a mile long?
10. How long should it take to walk 3 miles?

Tags

1. #measured
2. #defined
3. #originated
4. #furlongs
5. #units
6. #various
7. #paces
8. #statute
9. #london
10. #about
11. #roman
12. #eight
13. #passus
14. #thousand
15. #which
16. #mille
17. #distance