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How to use the calculator:
1. Select City A and City B, or
enter cordinates manually.
2. Click the Distance button.
Supported coordinate formats:
Enter the latitude and longitude as either
decimals or
degrees-minutes-seconds
Examples:
45.0000 -121.0000
47°36'11"N 122°19'22"W
47d36'12"N 122d19'34"W
47°36'N 122°19'W
47d36'N 122d19'W
1dN 25dE
1°N 25°E
Notes:
In place of the degree sign ° you may type d.
All distances are calculated along great circles.
The calculator assumes that:
The Earth is a perfect sphere
1 kilometer = 1/40000 of the Earth's great circle
1 mile = 1.609344 km
1 nautical mile = 1 minute of angle on a great circle
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