That point is about 12.5 miles southwest of the center of Danville, IL.
Jefferson City
Yes, the 40 degree N line of latitude passes through both Arkansas and Missouri. In Arkansas, it cuts through the northern part of the state, while in Missouri, it passes through the southern portion.
That puts you just south of Pittsburgh, Pennsylvania usa
The coordinates 40° N latitude and 90° W longitude correspond to a location in the state of Illinois, specifically near the town of Macomb. This area is situated in the western part of the state, which is characterized by a mix of agricultural land and small communities.
Usually capital 'N' before or after the latitude value (e.g. 40:26:46N or N45°26′46").
Columbus, Ohio.
Jefferson City
Yes, the 40 degree N line of latitude passes through both Arkansas and Missouri. In Arkansas, it cuts through the northern part of the state, while in Missouri, it passes through the southern portion.
Madrid, Spain
The state capital that is north of 40 degrees N latitude is Augusta, Maine.
Madrid is near enough for Wiki....
40 N 74 W is in the North Atlantic Ocean, off the American East coast. Near adjacent to Philadelphia(39.9526° N, 75.1652° W).
40 N 3 W is Tarancón, 16400, Cuenca, Spain. The coordinates are 40.0105° N, 3.0074° W
denver
Frankfort
That point is located in rural northeastern China, about 75 miles west of the center of Beijing.
If -n = 40 then n = -40.