The above diagram shows 4 island countries in the Marina Ocean. Each inch on the map represents a distance of 750 miles. The capital of each island country is marked with a star. If a pilot takes off from the capital of Orange Island and flies to the capital of Red Island, how far has he flown?
A.
5,500 miles
B.
1,500 miles
C.
3,000 miles
D.
4,500 miles