From the table, you can see that latitude lines are evenly spaced, approximately 111 km (69 miles) apart at any latitude. Using these values as the linear distance separating each degree of latitude, the distance between any given pair of parallels can be calculated. (Note: Locations must be due north-south of each other.) For example, Denver is approximately 40° north of the equator (arc distance). The linear distance between Denver and the equator can be calculated as follows:
40° N to 0° = 40° x 111 km/1° = 4440 km
or
40° N to 0° = 40° x 69 miles/1° = 2760 miles
Using these same values for a degree of latitude and an atlas for city location, calculate the linear distance in kilometers and miles between the following sets of points (along a meridian):
a) Mumbai, India, and the equator
b) Miami, Florida, and 10° south latitude
c) Edinburgh, Scotland, and 5° north
a) 19° x 111 km/1° = 2109 km or, 19° x 69 mi/1° = 1311 mi
b) 26° x 111 km/1° = 2886 km or, 26° x 69 mi/1° = 1794 mi
c) 51° x 111 km/1° = 5661 km or, 51° x 69 mi/1° = 3519 mi
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