The number of miles in one degree of latitude depends on how far you are from the equator.
One statute mile is 0.86897624 nautical miles.
It is approx. 686 miles (1,104 km) One minute of latitude is equal to one nautical mile, 6076 feet, or about 1.15 statute (normal) miles. So one degree is 60 NM, and 10 degrees is 600 NM. Or about 686 statute miles.
69.17 statute miles (rounded)
One statute mile is equal to about 0.87 nautical miles.
One nautical mile is equal to 1.151 statute miles. So, 320 nm x 1.151 = 368.32 statute miles.
About 69 miles
About 69.2 miles (rounded)
One degree of latitude, and one degree of longitude along the equator only, is equivalent to roughly 69.1 miles (111 km). One degree of latitude, and of longitude on the equator only, is also equal to about 60 nautical miles.
One degree of latitude, and one degree of longitude along the equator only, is equivalent to roughly 69.1 miles (111 km). One degree of latitude, and of longitude on the equator only, is also equal to about 60 nautical miles.
60 Nautical miles per degree, so 600 nautical miles.
One statute mile is 5280 feet, so 2300 feet is 2300/5280 miles. You do the math.