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Old 31st Aug 2000, 00:13
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Arrow minutes degrees etc

I've done a search but i can't seem to find what i want.

How would you calculate the distance (say)from London to New york?

1 deg = 60 mins

1 min = 1nm that way.

I've got a book which says
1 min = 60 mins
1 min = 1 nm

but on a map i have, 1 hour is 15 degrees. And it works out that NY is about 75 degs from london.

What's going on? it seems as though 60 mins are different to 1 hour time, is this true?