The Green Mile in Stephen Kings novel of the same title refers to the Death Row as the Green Mile due to the green linoleum flooring running between the cells of the prisoners and the execution chamber. This is the last walk of the inmates, which the prisoners refer to as the Green Mile as they walk towards death.
The nickname "The Green Mile" comes from the color of the linoleum floor in the long corridor of E Block (Death Row) at Cold Mountain Penitentiary. It is the literal path condemned inmates walk to the electric chair, "Old Sparky.
In Stephen King’s The Green Mile, Death Row is called “The Green Mile” because of the long corridor lined with faded green linoleum flooring that inmates walk down on their way to the execution room. The name symbolizes the final journey each prisoner takes before death, blending physical description with emotional weight.