#### Answer

$26$

#### Work Step by Step

The distance between $(-1, 5)$ and $(3, 5)$ is 4.
The distance between $(3, 5)$ and $(3, -4)$ is 9.
The distance between $(3, -4)$ and $(-1, -4)$ is 4.
The distance between $(-1, -4)$ and $(-1, 5)$ is 9.
$4+9+4+9=26$