Longleaf pines used to be the dominant pine species in the southeast. Unfortunately, they are great lumber trees. They were harvested heavily and now cover only 3% of the original range.
The needles really are long. Here's a longleaf needle with a Loblolly needle above. The needles can be 17 inches long and are often used in pine basket weaving.
The LongLeaf Pine really does have long leaves. To me they almost look like hair instead of needles. They are the unofficial state tree of North Carolina.
Longleaf pines used to cover a wide area of the South, but now, due to clear cutting for timber, only about 3% of the pines are left. See here.