Miles measures distance. Square miles measures area. Therefore, you can not compare the two. It is like comparing feet and cups.
It is 15 square miles big It is 15 square miles big
495,755.1 square miles.
905,567 square miles
163,696 square miles.
2,490 square miles.
163,707 square miles.
Philippines - 115,830.6 square miles.
385 square miles (including 42.5 square miles of water).
Middletown, Connecticut is 42.3 square miles.
94,060 square miles
3717812.8199016 Square Miles
23000 square miles.