400
City X is located near a parallel that is 40^0 north of the equator. City Y is located about 35^0 south of the equator. If both cities are on the same meridian, what is the approximate distance in kilometers between the two cities? [Hint: The circumference of the Earth is 40,075 kilometers.]
a. 8,349 kilometers
b. 4,174 kilometers
c. 1,400 kilometers
d. 1,670 kilometers
8,349 kilometers