Two light sources emit waves that are in phase with a wavelength of $=600nm.$ The two waves meet at a distant point where Wave #$1$ has traveled $100$ nm $.$ The distance traveled by Wave #$2$ is variable. Which of the distances for Wave #$2,$ listed below, would result in destructive interference?

$1,600nm$

$1,900nm$

$1,300nm$

$1700$ nm