The 45th parallel north is halfway between the Equator and the North Pole.

The entire country of France is north of the 20th parallel. This applies if you are talking about the 20th north or the 20th parallel south.

38th Parallel North:

North America, Europe, and Asia.

38th Parallel South:

South America and Australia.

The border between North and Soth Korea is called the Demilitarized Zone

The parallel of conflict is where north korea and and south fought .....it was knowen as Parallel 38