EASA NAV(A)basic
6. The Earth's equatorial circumference is approximately…
Answer
21,600 NM
Explanation
The equatorial circumference is approximately 40,000 km, equivalent to about **21,600 NM**. **Key takeaway:** One nautical mile corresponds approximately to one minute of latitude. **Glossary:** NM: nautical mile, approximately 1.852 km.
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