EASA NAV(A)basic
Approximately how far apart are latitudes 48°N and 49°N?
Answer
60 NM
Explanation
A one-degree difference in latitude is approximately 60 nautical miles, regardless of the latitude. The 111 km figure is the approximate kilometre equivalent, not 111 NM. **Key takeaway:** $1^\circ$ of latitude is approximately 60 NM.\n\n**Glossary:** **Nautical mile**: a distance unit based on angular measurement of Earth.
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